388117499

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 493447680

約数和(自身を除く): 105330181

約数列:

[1, 7, 11, 77, 109, 131, 353, 763, 917, 1199, 1441, 2471, 3883, 8393, 10087, 14279, 27181, 38477, 46243, 99953, 157069, 269339, 323701, 423247, 508673, 1099483, 2962729, 3560711, 5040487, 35283409, 55445357, 388117499]

約数ペア:

[(1, 388117499), (7, 55445357), (11, 35283409), (77, 5040487), (109, 3560711), (131, 2962729), (353, 1099483), (763, 508673), (917, 423247), (1199, 323701), (1441, 269339), (2471, 157069), (3883, 99953), (8393, 46243), (10087, 38477), (14279, 27181)]