253456

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 587264

約数和(自身を除く): 333808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 584, 868, 1022, 1168, 1736, 2044, 2263, 3472, 4088, 4526, 8176, 9052, 15841, 18104, 31682, 36208, 63364, 126728, 253456]

約数ペア:

[(1, 253456), (2, 126728), (4, 63364), (7, 36208), (8, 31682), (14, 18104), (16, 15841), (28, 9052), (31, 8176), (56, 4526), (62, 4088), (73, 3472), (112, 2263), (124, 2044), (146, 1736), (217, 1168), (248, 1022), (292, 868), (434, 584), (496, 511)]