81742158

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 181149696

約数和(自身を除く): 99407538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 167, 213, 334, 383, 426, 501, 639, 766, 1002, 1149, 1278, 1503, 2298, 3006, 3447, 6894, 11857, 23714, 27193, 35571, 54386, 63961, 71142, 81579, 106713, 127922, 163158, 191883, 213426, 244737, 383766, 489474, 575649, 1151298, 4541231, 9082462, 13623693, 27247386, 40871079, 81742158]

約数ペア:

[(1, 81742158), (2, 40871079), (3, 27247386), (6, 13623693), (9, 9082462), (18, 4541231), (71, 1151298), (142, 575649), (167, 489474), (213, 383766), (334, 244737), (383, 213426), (426, 191883), (501, 163158), (639, 127922), (766, 106713), (1002, 81579), (1149, 71142), (1278, 63961), (1503, 54386), (2298, 35571), (3006, 27193), (3447, 23714), (6894, 11857)]