389535302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1873}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 664295520

約数和(自身を除く): 274760218

約数列:

[1, 2, 13, 19, 26, 38, 247, 421, 494, 842, 1873, 3746, 5473, 7999, 10946, 15998, 24349, 35587, 48698, 71174, 103987, 207974, 462631, 788533, 925262, 1577066, 10250929, 14982127, 20501858, 29964254, 194767651, 389535302]

約数ペア:

[(1, 389535302), (2, 194767651), (13, 29964254), (19, 20501858), (26, 14982127), (38, 10250929), (247, 1577066), (421, 925262), (494, 788533), (842, 462631), (1873, 207974), (3746, 103987), (5473, 71174), (7999, 48698), (10946, 35587), (15998, 24349)]