42490188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 116586288

約数和(自身を除く): 74096100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 326, 468, 489, 557, 652, 978, 1114, 1467, 1671, 1956, 2119, 2228, 2934, 3342, 4238, 5013, 5868, 6357, 6684, 7241, 8476, 10026, 12714, 14482, 19071, 20052, 21723, 25428, 28964, 38142, 43446, 65169, 76284, 86892, 90791, 130338, 181582, 260676, 272373, 363164, 544746, 817119, 1089492, 1180283, 1634238, 2360566, 3268476, 3540849, 4721132, 7081698, 10622547, 14163396, 21245094, 42490188]

約数ペア:

[(1, 42490188), (2, 21245094), (3, 14163396), (4, 10622547), (6, 7081698), (9, 4721132), (12, 3540849), (13, 3268476), (18, 2360566), (26, 1634238), (36, 1180283), (39, 1089492), (52, 817119), (78, 544746), (117, 363164), (156, 272373), (163, 260676), (234, 181582), (326, 130338), (468, 90791), (489, 86892), (557, 76284), (652, 65169), (978, 43446), (1114, 38142), (1467, 28964), (1671, 25428), (1956, 21723), (2119, 20052), (2228, 19071), (2934, 14482), (3342, 12714), (4238, 10026), (5013, 8476), (5868, 7241), (6357, 6684)]