274784741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 350749440

約数和(自身を除く): 75964699

約数列:

[1, 7, 11, 77, 89, 101, 397, 623, 707, 979, 1111, 2779, 4367, 6853, 7777, 8989, 30569, 35333, 40097, 62923, 98879, 247331, 280679, 388663, 441067, 692153, 2720641, 3087469, 3568633, 24980431, 39254963, 274784741]

約数ペア:

[(1, 274784741), (7, 39254963), (11, 24980431), (77, 3568633), (89, 3087469), (101, 2720641), (397, 692153), (623, 441067), (707, 388663), (979, 280679), (1111, 247331), (2779, 98879), (4367, 62923), (6853, 40097), (7777, 35333), (8989, 30569)]