128123668

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{2293}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 228987080

約数和(自身を除く): 100863412

約数列:

[1, 2, 4, 61, 122, 229, 244, 458, 916, 2293, 4586, 9172, 13969, 27938, 55876, 139873, 279746, 525097, 559492, 1050194, 2100388, 32030917, 64061834, 128123668]

約数ペア:

[(1, 128123668), (2, 64061834), (4, 32030917), (61, 2100388), (122, 1050194), (229, 559492), (244, 525097), (458, 279746), (916, 139873), (2293, 55876), (4586, 27938), (9172, 13969)]