491086856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{43321}}^1$

素因数の和:43449

約数の個数: 32

約数和(自身を含む): 1000738200

約数和(自身を除く): 509651344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2834, 5668, 11336, 43321, 86642, 173284, 346568, 563173, 1126346, 2252692, 4505384, 4721989, 9443978, 18887956, 37775912, 61385857, 122771714, 245543428, 491086856]

約数ペア:

[(1, 491086856), (2, 245543428), (4, 122771714), (8, 61385857), (13, 37775912), (26, 18887956), (52, 9443978), (104, 4721989), (109, 4505384), (218, 2252692), (436, 1126346), (872, 563173), (1417, 346568), (2834, 173284), (5668, 86642), (11336, 43321)]