2445494090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{817891}}^1$

素因数の和:817934

約数の個数: 32

約数和(自身を含む): 4946610816

約数和(自身を除く): 2501116726

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 817891, 1635782, 4089455, 8178910, 10632583, 18811493, 21265166, 37622986, 53162915, 94057465, 106325830, 188114930, 244549409, 489098818, 1222747045, 2445494090]

約数ペア:

[(1, 2445494090), (2, 1222747045), (5, 489098818), (10, 244549409), (13, 188114930), (23, 106325830), (26, 94057465), (46, 53162915), (65, 37622986), (115, 21265166), (130, 18811493), (230, 10632583), (299, 8178910), (598, 4089455), (1495, 1635782), (2990, 817891)]