488425990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{13967}}^1$

素因数の和:14256

約数の個数: 32

約数和(自身を含む): 950382720

約数和(自身を除く): 461956730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 2690, 3497, 6994, 13967, 17485, 27934, 34970, 69835, 139670, 181571, 363142, 907855, 1815710, 3757123, 7514246, 18785615, 37571230, 48842599, 97685198, 244212995, 488425990]

約数ペア:

[(1, 488425990), (2, 244212995), (5, 97685198), (10, 48842599), (13, 37571230), (26, 18785615), (65, 7514246), (130, 3757123), (269, 1815710), (538, 907855), (1345, 363142), (2690, 181571), (3497, 139670), (6994, 69835), (13967, 34970), (17485, 27934)]