678751788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{395543}}^1$

素因数の和:395574

約数の個数: 48

約数和(自身を含む): 1860638976

約数和(自身を除く): 1181887188

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 395543, 791086, 1186629, 1582172, 2373258, 4350973, 4746516, 5142059, 8701946, 10284118, 13052919, 15426177, 17403892, 20568236, 26105838, 30852354, 52211676, 56562649, 61704708, 113125298, 169687947, 226250596, 339375894, 678751788]

約数ペア:

[(1, 678751788), (2, 339375894), (3, 226250596), (4, 169687947), (6, 113125298), (11, 61704708), (12, 56562649), (13, 52211676), (22, 30852354), (26, 26105838), (33, 20568236), (39, 17403892), (44, 15426177), (52, 13052919), (66, 10284118), (78, 8701946), (132, 5142059), (143, 4746516), (156, 4350973), (286, 2373258), (429, 1582172), (572, 1186629), (858, 791086), (1716, 395543)]