1298014744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{19471}}^1$

素因数の和:20131

約数の個数: 32

約数和(自身を含む): 2625215040

約数和(自身を除く): 1327200296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 641, 1282, 2564, 5128, 8333, 16666, 19471, 33332, 38942, 66664, 77884, 155768, 253123, 506246, 1012492, 2024984, 12480911, 24961822, 49923644, 99847288, 162251843, 324503686, 649007372, 1298014744]

約数ペア:

[(1, 1298014744), (2, 649007372), (4, 324503686), (8, 162251843), (13, 99847288), (26, 49923644), (52, 24961822), (104, 12480911), (641, 2024984), (1282, 1012492), (2564, 506246), (5128, 253123), (8333, 155768), (16666, 77884), (19471, 66664), (33332, 38942)]