521456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 1145760

約数和(自身を除く): 624304

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 109, 184, 208, 218, 299, 368, 436, 598, 872, 1196, 1417, 1744, 2392, 2507, 2834, 4784, 5014, 5668, 10028, 11336, 20056, 22672, 32591, 40112, 65182, 130364, 260728, 521456]

約数ペア:

[(1, 521456), (2, 260728), (4, 130364), (8, 65182), (13, 40112), (16, 32591), (23, 22672), (26, 20056), (46, 11336), (52, 10028), (92, 5668), (104, 5014), (109, 4784), (184, 2834), (208, 2507), (218, 2392), (299, 1744), (368, 1417), (436, 1196), (598, 872)]