91871612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 198424800

約数和(自身を除く): 106553188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 149, 244, 266, 298, 361, 427, 532, 596, 722, 854, 1043, 1159, 1444, 1708, 2086, 2318, 2527, 2831, 4172, 4636, 5054, 5662, 8113, 9089, 10108, 11324, 16226, 18178, 19817, 22021, 32452, 36356, 39634, 44042, 53789, 63623, 79268, 88084, 107578, 127246, 154147, 172691, 215156, 254492, 308294, 345382, 376523, 616588, 690764, 753046, 1208837, 1506092, 2417674, 3281129, 4835348, 6562258, 13124516, 22967903, 45935806, 91871612]

約数ペア:

[(1, 91871612), (2, 45935806), (4, 22967903), (7, 13124516), (14, 6562258), (19, 4835348), (28, 3281129), (38, 2417674), (61, 1506092), (76, 1208837), (122, 753046), (133, 690764), (149, 616588), (244, 376523), (266, 345382), (298, 308294), (361, 254492), (427, 215156), (532, 172691), (596, 154147), (722, 127246), (854, 107578), (1043, 88084), (1159, 79268), (1444, 63623), (1708, 53789), (2086, 44042), (2318, 39634), (2527, 36356), (2831, 32452), (4172, 22021), (4636, 19817), (5054, 18178), (5662, 16226), (8113, 11324), (9089, 10108)]