645311836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1511}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 1251790848

約数和(自身を除く): 606479012

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 191, 382, 559, 764, 1118, 1511, 2236, 2483, 3022, 4966, 6044, 8213, 9932, 16426, 19643, 32852, 39286, 64973, 78572, 106769, 129946, 213538, 259892, 288601, 427076, 577202, 844649, 1154404, 1689298, 3378596, 3751813, 7503626, 12409843, 15007252, 24819686, 49639372, 161327959, 322655918, 645311836]

約数ペア:

[(1, 645311836), (2, 322655918), (4, 161327959), (13, 49639372), (26, 24819686), (43, 15007252), (52, 12409843), (86, 7503626), (172, 3751813), (191, 3378596), (382, 1689298), (559, 1154404), (764, 844649), (1118, 577202), (1511, 427076), (2236, 288601), (2483, 259892), (3022, 213538), (4966, 129946), (6044, 106769), (8213, 78572), (9932, 64973), (16426, 39286), (19643, 32852)]