215095985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5261}}^1$

素因数の和:5333

約数の個数: 32

約数和(自身を含む): 302333472

約数和(自身を除く): 87237487

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 5261, 8177, 26305, 40885, 68393, 89437, 194657, 341965, 447185, 973285, 1162681, 2530541, 3309169, 5813405, 12652705, 16545845, 43019197, 215095985]

約数ペア:

[(1, 215095985), (5, 43019197), (13, 16545845), (17, 12652705), (37, 5813405), (65, 3309169), (85, 2530541), (185, 1162681), (221, 973285), (481, 447185), (629, 341965), (1105, 194657), (2405, 89437), (3145, 68393), (5261, 40885), (8177, 26305)]