201911479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 260992512

約数和(自身を除く): 59081033

約数列:

[1, 7, 11, 37, 77, 131, 259, 407, 541, 917, 1441, 2849, 3787, 4847, 5951, 10087, 20017, 33929, 41657, 53317, 70871, 140119, 220187, 373219, 496097, 779581, 1541309, 2622227, 5457067, 18355589, 28844497, 201911479]

約数ペア:

[(1, 201911479), (7, 28844497), (11, 18355589), (37, 5457067), (77, 2622227), (131, 1541309), (259, 779581), (407, 496097), (541, 373219), (917, 220187), (1441, 140119), (2849, 70871), (3787, 53317), (4847, 41657), (5951, 33929), (10087, 20017)]