31507928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2137}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 62857200

約数和(自身を除く): 31349272

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 2137, 3686, 4274, 7372, 8548, 14744, 17096, 40603, 81206, 162412, 207289, 324824, 414578, 829156, 1658312, 3938491, 7876982, 15753964, 31507928]

約数ペア:

[(1, 31507928), (2, 15753964), (4, 7876982), (8, 3938491), (19, 1658312), (38, 829156), (76, 414578), (97, 324824), (152, 207289), (194, 162412), (388, 81206), (776, 40603), (1843, 17096), (2137, 14744), (3686, 8548), (4274, 7372)]