81242530

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 148531968

約数和(自身を除く): 67289438

約数列:

[1, 2, 5, 10, 151, 173, 302, 311, 346, 622, 755, 865, 1510, 1555, 1730, 3110, 26123, 46961, 52246, 53803, 93922, 107606, 130615, 234805, 261230, 269015, 469610, 538030, 8124253, 16248506, 40621265, 81242530]

約数ペア:

[(1, 81242530), (2, 40621265), (5, 16248506), (10, 8124253), (151, 538030), (173, 469610), (302, 269015), (311, 261230), (346, 234805), (622, 130615), (755, 107606), (865, 93922), (1510, 53803), (1555, 52246), (1730, 46961), (3110, 26123)]