1427881390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{354313}}^1$

素因数の和:354364

約数の個数: 32

約数和(自身を含む): 2857188096

約数和(自身を除く): 1429306706

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 354313, 708626, 1771565, 3543130, 4606069, 9212138, 10983703, 21967406, 23030345, 46060690, 54918515, 109837030, 142788139, 285576278, 713940695, 1427881390]

約数ペア:

[(1, 1427881390), (2, 713940695), (5, 285576278), (10, 142788139), (13, 109837030), (26, 54918515), (31, 46060690), (62, 23030345), (65, 21967406), (130, 10983703), (155, 9212138), (310, 4606069), (403, 3543130), (806, 1771565), (2015, 708626), (4030, 354313)]