158717845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 225509760

約数和(自身を除く): 66791915

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 695, 715, 1529, 1597, 1807, 7645, 7985, 9035, 17567, 19877, 20761, 87835, 99385, 103805, 221983, 228371, 1109915, 1141855, 2441813, 2885779, 12209065, 14428895, 31743569, 158717845]

約数ペア:

[(1, 158717845), (5, 31743569), (11, 14428895), (13, 12209065), (55, 2885779), (65, 2441813), (139, 1141855), (143, 1109915), (695, 228371), (715, 221983), (1529, 103805), (1597, 99385), (1807, 87835), (7645, 20761), (7985, 19877), (9035, 17567)]