618195890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{3863}}^1$

素因数の和:5114

約数の個数: 32

約数和(自身を含む): 1199632896

約数和(自身を除く): 581437006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1231, 2462, 3863, 6155, 7726, 12310, 16003, 19315, 32006, 38630, 50219, 80015, 100438, 160030, 251095, 502190, 4755353, 9510706, 23776765, 47553530, 61819589, 123639178, 309097945, 618195890]

約数ペア:

[(1, 618195890), (2, 309097945), (5, 123639178), (10, 61819589), (13, 47553530), (26, 23776765), (65, 9510706), (130, 4755353), (1231, 502190), (2462, 251095), (3863, 160030), (6155, 100438), (7726, 80015), (12310, 50219), (16003, 38630), (19315, 32006)]