258397672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2484593}}^1$

素因数の和:2484612

約数の個数: 16

約数和(自身を含む): 521764740

約数和(自身を除く): 263367068

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2484593, 4969186, 9938372, 19876744, 32299709, 64599418, 129198836, 258397672]

約数ペア:

[(1, 258397672), (2, 129198836), (4, 64599418), (8, 32299709), (13, 19876744), (26, 9938372), (52, 4969186), (104, 2484593)]