287993478

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{2087}}^1$

素因数の和:2412

約数の個数: 32

約数和(自身を含む): 584305920

約数和(自身を除く): 296312442

約数列:

[1, 2, 3, 6, 109, 211, 218, 327, 422, 633, 654, 1266, 2087, 4174, 6261, 12522, 22999, 45998, 68997, 137994, 227483, 440357, 454966, 682449, 880714, 1321071, 1364898, 2642142, 47998913, 95997826, 143996739, 287993478]

約数ペア:

[(1, 287993478), (2, 143996739), (3, 95997826), (6, 47998913), (109, 2642142), (211, 1364898), (218, 1321071), (327, 880714), (422, 682449), (633, 454966), (654, 440357), (1266, 227483), (2087, 137994), (4174, 68997), (6261, 45998), (12522, 22999)]