278889316

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{2347}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 497287616

約数和(自身を除く): 218398300

約数列:

[1, 2, 4, 61, 122, 244, 487, 974, 1948, 2347, 4694, 9388, 29707, 59414, 118828, 143167, 286334, 572668, 1142989, 2285978, 4571956, 69722329, 139444658, 278889316]

約数ペア:

[(1, 278889316), (2, 139444658), (4, 69722329), (61, 4571956), (122, 2285978), (244, 1142989), (487, 572668), (974, 286334), (1948, 143167), (2347, 118828), (4694, 59414), (9388, 29707)]