28305473690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{389507}}^1$

素因数の和:389583

約数の個数: 48

約数和(自身を含む): 56453731488

約数和(自身を除く): 28148257798

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 845, 1118, 1690, 2795, 5590, 7267, 14534, 36335, 72670, 389507, 779014, 1947535, 3895070, 5063591, 10127182, 16748801, 25317955, 33497602, 50635910, 65826683, 83744005, 131653366, 167488010, 217734413, 329133415, 435468826, 658266830, 1088672065, 2177344130, 2830547369, 5661094738, 14152736845, 28305473690]

約数ペア:

[(1, 28305473690), (2, 14152736845), (5, 5661094738), (10, 2830547369), (13, 2177344130), (26, 1088672065), (43, 658266830), (65, 435468826), (86, 329133415), (130, 217734413), (169, 167488010), (215, 131653366), (338, 83744005), (430, 65826683), (559, 50635910), (845, 33497602), (1118, 25317955), (1690, 16748801), (2795, 10127182), (5590, 5063591), (7267, 3895070), (14534, 1947535), (36335, 779014), (72670, 389507)]