209899264

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{26449}}^1$

素因数の和:26496

約数の個数: 36

約数和(自身を含む): 432510400

約数和(自身を除く): 222611136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 26449, 52898, 105796, 211592, 423184, 819919, 846368, 1639838, 1692736, 3279676, 3385472, 6559352, 6770944, 13118704, 26237408, 52474816, 104949632, 209899264]

約数ペア:

[(1, 209899264), (2, 104949632), (4, 52474816), (8, 26237408), (16, 13118704), (31, 6770944), (32, 6559352), (62, 3385472), (64, 3279676), (124, 1692736), (128, 1639838), (248, 846368), (256, 819919), (496, 423184), (992, 211592), (1984, 105796), (3968, 52898), (7936, 26449)]