291661552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 120

約数和(自身を含む): 737036160

約数和(自身を除く): 445374608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 169, 182, 208, 247, 266, 304, 338, 364, 494, 532, 676, 728, 811, 988, 1064, 1183, 1352, 1456, 1622, 1729, 1976, 2128, 2366, 2704, 3211, 3244, 3458, 3952, 4732, 5677, 6422, 6488, 6916, 9464, 10543, 11354, 12844, 12976, 13832, 15409, 18928, 21086, 22477, 22708, 25688, 27664, 30818, 42172, 44954, 45416, 51376, 61636, 73801, 84344, 89908, 90832, 107863, 123272, 137059, 147602, 168688, 179816, 200317, 215726, 246544, 274118, 295204, 359632, 400634, 431452, 548236, 590408, 801268, 862904, 959413, 1096472, 1180816, 1402219, 1602536, 1725808, 1918826, 2192944, 2604121, 2804438, 3205072, 3837652, 5208242, 5608876, 7675304, 10416484, 11217752, 15350608, 18228847, 20832968, 22435504, 36457694, 41665936, 72915388, 145830776, 291661552]

約数ペア:

[(1, 291661552), (2, 145830776), (4, 72915388), (7, 41665936), (8, 36457694), (13, 22435504), (14, 20832968), (16, 18228847), (19, 15350608), (26, 11217752), (28, 10416484), (38, 7675304), (52, 5608876), (56, 5208242), (76, 3837652), (91, 3205072), (104, 2804438), (112, 2604121), (133, 2192944), (152, 1918826), (169, 1725808), (182, 1602536), (208, 1402219), (247, 1180816), (266, 1096472), (304, 959413), (338, 862904), (364, 801268), (494, 590408), (532, 548236), (676, 431452), (728, 400634), (811, 359632), (988, 295204), (1064, 274118), (1183, 246544), (1352, 215726), (1456, 200317), (1622, 179816), (1729, 168688), (1976, 147602), (2128, 137059), (2366, 123272), (2704, 107863), (3211, 90832), (3244, 89908), (3458, 84344), (3952, 73801), (4732, 61636), (5677, 51376), (6422, 45416), (6488, 44954), (6916, 42172), (9464, 30818), (10543, 27664), (11354, 25688), (12844, 22708), (12976, 22477), (13832, 21086), (15409, 18928)]