261723930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{671087}}^1$

素因数の和:671110

約数の個数: 32

約数和(自身を含む): 676456704

約数和(自身を除く): 414732774

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 671087, 1342174, 2013261, 3355435, 4026522, 6710870, 8724131, 10066305, 17448262, 20132610, 26172393, 43620655, 52344786, 87241310, 130861965, 261723930]

約数ペア:

[(1, 261723930), (2, 130861965), (3, 87241310), (5, 52344786), (6, 43620655), (10, 26172393), (13, 20132610), (15, 17448262), (26, 10066305), (30, 8724131), (39, 6710870), (65, 4026522), (78, 3355435), (130, 2013261), (195, 1342174), (390, 671087)]