16721458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 28445760

約数和(自身を除く): 11724302

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 331, 377, 662, 754, 871, 1742, 1943, 3886, 4303, 8606, 9599, 19198, 22177, 25259, 44354, 50518, 124787, 249574, 288301, 576602, 643133, 1286266, 8360729, 16721458]

約数ペア:

[(1, 16721458), (2, 8360729), (13, 1286266), (26, 643133), (29, 576602), (58, 288301), (67, 249574), (134, 124787), (331, 50518), (377, 44354), (662, 25259), (754, 22177), (871, 19198), (1742, 9599), (1943, 8606), (3886, 4303)]