31481268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 91521024

約数和(自身を除く): 60039756

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 127, 156, 182, 227, 254, 273, 364, 381, 454, 508, 546, 681, 762, 889, 908, 1092, 1362, 1524, 1589, 1651, 1778, 2667, 2724, 2951, 3178, 3302, 3556, 4767, 4953, 5334, 5902, 6356, 6604, 8853, 9534, 9906, 10668, 11557, 11804, 17706, 19068, 19812, 20657, 23114, 28829, 34671, 35412, 41314, 46228, 57658, 61971, 69342, 82628, 86487, 115316, 123942, 138684, 172974, 201803, 247884, 345948, 374777, 403606, 605409, 749554, 807212, 1124331, 1210818, 1499108, 2248662, 2421636, 2623439, 4497324, 5246878, 7870317, 10493756, 15740634, 31481268]

約数ペア:

[(1, 31481268), (2, 15740634), (3, 10493756), (4, 7870317), (6, 5246878), (7, 4497324), (12, 2623439), (13, 2421636), (14, 2248662), (21, 1499108), (26, 1210818), (28, 1124331), (39, 807212), (42, 749554), (52, 605409), (78, 403606), (84, 374777), (91, 345948), (127, 247884), (156, 201803), (182, 172974), (227, 138684), (254, 123942), (273, 115316), (364, 86487), (381, 82628), (454, 69342), (508, 61971), (546, 57658), (681, 46228), (762, 41314), (889, 35412), (908, 34671), (1092, 28829), (1362, 23114), (1524, 20657), (1589, 19812), (1651, 19068), (1778, 17706), (2667, 11804), (2724, 11557), (2951, 10668), (3178, 9906), (3302, 9534), (3556, 8853), (4767, 6604), (4953, 6356), (5334, 5902)]