399862912

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 843384960

約数和(自身を除く): 443522048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 128, 142, 184, 284, 368, 568, 736, 1136, 1472, 1633, 1913, 2272, 2944, 3266, 3826, 4544, 6532, 7652, 9088, 13064, 15304, 26128, 30608, 43999, 52256, 61216, 87998, 104512, 122432, 135823, 175996, 209024, 244864, 271646, 351992, 543292, 703984, 1086584, 1407968, 2173168, 2815936, 3123929, 4346336, 5631872, 6247858, 8692672, 12495716, 17385344, 24991432, 49982864, 99965728, 199931456, 399862912]

約数ペア:

[(1, 399862912), (2, 199931456), (4, 99965728), (8, 49982864), (16, 24991432), (23, 17385344), (32, 12495716), (46, 8692672), (64, 6247858), (71, 5631872), (92, 4346336), (128, 3123929), (142, 2815936), (184, 2173168), (284, 1407968), (368, 1086584), (568, 703984), (736, 543292), (1136, 351992), (1472, 271646), (1633, 244864), (1913, 209024), (2272, 175996), (2944, 135823), (3266, 122432), (3826, 104512), (4544, 87998), (6532, 61216), (7652, 52256), (9088, 43999), (13064, 30608), (15304, 26128)]