1648659856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{81071}}^1$

素因数の和:81151

約数の個数: 40

約数和(自身を含む): 3377783808

約数和(自身を除く): 1729123952

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 10168, 20336, 81071, 162142, 324284, 648568, 1297136, 2513201, 3323911, 5026402, 6647822, 10052804, 13295644, 20105608, 26591288, 40211216, 53182576, 103041241, 206082482, 412164964, 824329928, 1648659856]

約数ペア:

[(1, 1648659856), (2, 824329928), (4, 412164964), (8, 206082482), (16, 103041241), (31, 53182576), (41, 40211216), (62, 26591288), (82, 20105608), (124, 13295644), (164, 10052804), (248, 6647822), (328, 5026402), (496, 3323911), (656, 2513201), (1271, 1297136), (2542, 648568), (5084, 324284), (10168, 162142), (20336, 81071)]