81318642

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 174928896

約数和(自身を除く): 93610254

約数列:

[1, 2, 3, 6, 31, 53, 62, 73, 93, 106, 113, 146, 159, 186, 219, 226, 318, 339, 438, 678, 1643, 2263, 3286, 3503, 3869, 4526, 4929, 5989, 6789, 7006, 7738, 8249, 9858, 10509, 11607, 11978, 13578, 16498, 17967, 21018, 23214, 24747, 35934, 49494, 119939, 185659, 239878, 255719, 359817, 371318, 437197, 511438, 556977, 719634, 767157, 874394, 1113954, 1311591, 1534314, 2623182, 13553107, 27106214, 40659321, 81318642]

約数ペア:

[(1, 81318642), (2, 40659321), (3, 27106214), (6, 13553107), (31, 2623182), (53, 1534314), (62, 1311591), (73, 1113954), (93, 874394), (106, 767157), (113, 719634), (146, 556977), (159, 511438), (186, 437197), (219, 371318), (226, 359817), (318, 255719), (339, 239878), (438, 185659), (678, 119939), (1643, 49494), (2263, 35934), (3286, 24747), (3503, 23214), (3869, 21018), (4526, 17967), (4929, 16498), (5989, 13578), (6789, 11978), (7006, 11607), (7738, 10509), (8249, 9858)]