256422824

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147709}}^1$

素因数の和:147753

約数の個数: 32

約数和(自身を含む): 567206400

約数和(自身を除く): 310783576

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 147709, 295418, 590836, 1033963, 1181672, 2067926, 4135852, 4578979, 8271704, 9157958, 18315916, 32052853, 36631832, 64105706, 128211412, 256422824]

約数ペア:

[(1, 256422824), (2, 128211412), (4, 64105706), (7, 36631832), (8, 32052853), (14, 18315916), (28, 9157958), (31, 8271704), (56, 4578979), (62, 4135852), (124, 2067926), (217, 1181672), (248, 1033963), (434, 590836), (868, 295418), (1736, 147709)]