688912328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{40639}}^1$

素因数の和:40821

約数の個数: 32

約数和(自身を含む): 1399641600

約数和(自身を除く): 710729272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1304, 2119, 4238, 8476, 16952, 40639, 81278, 162556, 325112, 528307, 1056614, 2113228, 4226456, 6624157, 13248314, 26496628, 52993256, 86114041, 172228082, 344456164, 688912328]

約数ペア:

[(1, 688912328), (2, 344456164), (4, 172228082), (8, 86114041), (13, 52993256), (26, 26496628), (52, 13248314), (104, 6624157), (163, 4226456), (326, 2113228), (652, 1056614), (1304, 528307), (2119, 325112), (4238, 162556), (8476, 81278), (16952, 40639)]