645448448

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{109621}}^1$

素因数の和:109660

約数の個数: 36

約数和(自身を含む): 1344404208

約数和(自身を除く): 698955760

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 5888, 109621, 219242, 438484, 876968, 1753936, 2521283, 3507872, 5042566, 7015744, 10085132, 14031488, 20170264, 28062976, 40340528, 80681056, 161362112, 322724224, 645448448]

約数ペア:

[(1, 645448448), (2, 322724224), (4, 161362112), (8, 80681056), (16, 40340528), (23, 28062976), (32, 20170264), (46, 14031488), (64, 10085132), (92, 7015744), (128, 5042566), (184, 3507872), (256, 2521283), (368, 1753936), (736, 876968), (1472, 438484), (2944, 219242), (5888, 109621)]