318260488

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 793539180

約数和(自身を除く): 475278692

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 173, 182, 196, 247, 266, 346, 361, 364, 392, 494, 532, 637, 692, 722, 728, 931, 988, 1064, 1211, 1274, 1384, 1444, 1729, 1862, 1976, 2249, 2422, 2527, 2548, 2888, 3287, 3458, 3724, 4498, 4693, 4844, 5054, 5096, 6574, 6916, 7448, 8477, 8996, 9386, 9688, 10108, 12103, 13148, 13832, 15743, 16954, 17689, 17992, 18772, 20216, 23009, 24206, 26296, 31486, 32851, 33908, 35378, 37544, 42731, 46018, 48412, 62453, 62972, 65702, 67816, 70756, 85462, 92036, 96824, 110201, 124906, 125944, 131404, 141512, 161063, 170924, 184072, 220402, 229957, 249812, 262808, 299117, 322126, 341848, 437171, 440804, 459914, 499624, 598234, 644252, 811889, 874342, 881608, 919828, 1196468, 1288504, 1623778, 1748684, 1839656, 2093819, 2392936, 3060197, 3247556, 3497368, 4187638, 5683223, 6120394, 6495112, 8375276, 11366446, 12240788, 16750552, 22732892, 24481576, 39782561, 45465784, 79565122, 159130244, 318260488]

約数ペア:

[(1, 318260488), (2, 159130244), (4, 79565122), (7, 45465784), (8, 39782561), (13, 24481576), (14, 22732892), (19, 16750552), (26, 12240788), (28, 11366446), (38, 8375276), (49, 6495112), (52, 6120394), (56, 5683223), (76, 4187638), (91, 3497368), (98, 3247556), (104, 3060197), (133, 2392936), (152, 2093819), (173, 1839656), (182, 1748684), (196, 1623778), (247, 1288504), (266, 1196468), (346, 919828), (361, 881608), (364, 874342), (392, 811889), (494, 644252), (532, 598234), (637, 499624), (692, 459914), (722, 440804), (728, 437171), (931, 341848), (988, 322126), (1064, 299117), (1211, 262808), (1274, 249812), (1384, 229957), (1444, 220402), (1729, 184072), (1862, 170924), (1976, 161063), (2249, 141512), (2422, 131404), (2527, 125944), (2548, 124906), (2888, 110201), (3287, 96824), (3458, 92036), (3724, 85462), (4498, 70756), (4693, 67816), (4844, 65702), (5054, 62972), (5096, 62453), (6574, 48412), (6916, 46018), (7448, 42731), (8477, 37544), (8996, 35378), (9386, 33908), (9688, 32851), (10108, 31486), (12103, 26296), (13148, 24206), (13832, 23009), (15743, 20216), (16954, 18772), (17689, 17992)]