31398097892

素因数分解:

$2^2\times 7^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 69045258240

約数和(自身を除く): 37647160348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 343, 523, 532, 658, 686, 893, 931, 1046, 1316, 1372, 1786, 1862, 2092, 2303, 2401, 3572, 3661, 3724, 4606, 4802, 6251, 6517, 7322, 9212, 9604, 9937, 12502, 13034, 14644, 16121, 16807, 19874, 24581, 25004, 25627, 26068, 32242, 33614, 39748, 43757, 45619, 49162, 51254, 64484, 67228, 69559, 87514, 91238, 98324, 102508, 112847, 139118, 172067, 175028, 179389, 182476, 225694, 278236, 306299, 319333, 344134, 358778, 451388, 467039, 486913, 612598, 638666, 688268, 717556, 789929, 934078, 973826, 1204469, 1225196, 1255723, 1277332, 1579858, 1868156, 1947652, 2144093, 2408938, 2511446, 3159716, 3269273, 3408391, 4288186, 4817876, 5022892, 6538546, 6816782, 8431283, 8576372, 8790061, 13077092, 13633564, 15008651, 16862566, 17580122, 22884911, 23858737, 30017302, 33725132, 35160244, 45769822, 47717474, 59018981, 60034604, 91539644, 95434948, 118037962, 160194377, 167011159, 236075924, 320388754, 334022318, 413132867, 640777508, 668044636, 826265734, 1121360639, 1652531468, 2242721278, 4485442556, 7849524473, 15699048946, 31398097892]

約数ペア:

[(1, 31398097892), (2, 15699048946), (4, 7849524473), (7, 4485442556), (14, 2242721278), (19, 1652531468), (28, 1121360639), (38, 826265734), (47, 668044636), (49, 640777508), (76, 413132867), (94, 334022318), (98, 320388754), (133, 236075924), (188, 167011159), (196, 160194377), (266, 118037962), (329, 95434948), (343, 91539644), (523, 60034604), (532, 59018981), (658, 47717474), (686, 45769822), (893, 35160244), (931, 33725132), (1046, 30017302), (1316, 23858737), (1372, 22884911), (1786, 17580122), (1862, 16862566), (2092, 15008651), (2303, 13633564), (2401, 13077092), (3572, 8790061), (3661, 8576372), (3724, 8431283), (4606, 6816782), (4802, 6538546), (6251, 5022892), (6517, 4817876), (7322, 4288186), (9212, 3408391), (9604, 3269273), (9937, 3159716), (12502, 2511446), (13034, 2408938), (14644, 2144093), (16121, 1947652), (16807, 1868156), (19874, 1579858), (24581, 1277332), (25004, 1255723), (25627, 1225196), (26068, 1204469), (32242, 973826), (33614, 934078), (39748, 789929), (43757, 717556), (45619, 688268), (49162, 638666), (51254, 612598), (64484, 486913), (67228, 467039), (69559, 451388), (87514, 358778), (91238, 344134), (98324, 319333), (102508, 306299), (112847, 278236), (139118, 225694), (172067, 182476), (175028, 179389)]