161570290861

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1\times {\mathrm{20021}}^1$

素因数の和:21385

約数の個数: 32

約数和(自身を含む): 198669496320

約数和(自身を除く): 37099205459

約数列:

[1, 7, 19, 47, 133, 329, 893, 1291, 6251, 9037, 20021, 24529, 60677, 140147, 171703, 380399, 424739, 940987, 1152863, 2662793, 6586909, 8070041, 17878753, 25847111, 125151271, 180929777, 491095109, 1214814217, 3437665763, 8503699519, 23081470123, 161570290861]

約数ペア:

[(1, 161570290861), (7, 23081470123), (19, 8503699519), (47, 3437665763), (133, 1214814217), (329, 491095109), (893, 180929777), (1291, 125151271), (6251, 25847111), (9037, 17878753), (20021, 8070041), (24529, 6586909), (60677, 2662793), (140147, 1152863), (171703, 940987), (380399, 424739)]