389293008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{623867}}^1$

素因数の和:623891

約数の個数: 40

約数和(自身を含む): 1083034848

約数和(自身を除く): 693741840

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 623867, 1247734, 1871601, 2495468, 3743202, 4990936, 7486404, 8110271, 9981872, 14972808, 16220542, 24330813, 29945616, 32441084, 48661626, 64882168, 97323252, 129764336, 194646504, 389293008]

約数ペア:

[(1, 389293008), (2, 194646504), (3, 129764336), (4, 97323252), (6, 64882168), (8, 48661626), (12, 32441084), (13, 29945616), (16, 24330813), (24, 16220542), (26, 14972808), (39, 9981872), (48, 8110271), (52, 7486404), (78, 4990936), (104, 3743202), (156, 2495468), (208, 1871601), (312, 1247734), (624, 623867)]