691888945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 922078080

約数和(自身を除く): 230189135

約数列:

[1, 5, 11, 55, 109, 131, 545, 655, 881, 1199, 1441, 4405, 5995, 7205, 9691, 14279, 48455, 71395, 96029, 115411, 157069, 480145, 577055, 785345, 1056319, 1269521, 5281595, 6347605, 12579799, 62898995, 138377789, 691888945]

約数ペア:

[(1, 691888945), (5, 138377789), (11, 62898995), (55, 12579799), (109, 6347605), (131, 5281595), (545, 1269521), (655, 1056319), (881, 785345), (1199, 577055), (1441, 480145), (4405, 157069), (5995, 115411), (7205, 96029), (9691, 71395), (14279, 48455)]