647314656

素因数分解:

$2^5\times 3^1\times {\mathrm{101}}^2\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 72

約数和(自身を含む): 1718787672

約数和(自身を除く): 1071473016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 101, 202, 303, 404, 606, 661, 808, 1212, 1322, 1616, 1983, 2424, 2644, 3232, 3966, 4848, 5288, 7932, 9696, 10201, 10576, 15864, 20402, 21152, 30603, 31728, 40804, 61206, 63456, 66761, 81608, 122412, 133522, 163216, 200283, 244824, 267044, 326432, 400566, 489648, 534088, 801132, 979296, 1068176, 1602264, 2136352, 3204528, 6409056, 6742861, 13485722, 20228583, 26971444, 40457166, 53942888, 80914332, 107885776, 161828664, 215771552, 323657328, 647314656]

約数ペア:

[(1, 647314656), (2, 323657328), (3, 215771552), (4, 161828664), (6, 107885776), (8, 80914332), (12, 53942888), (16, 40457166), (24, 26971444), (32, 20228583), (48, 13485722), (96, 6742861), (101, 6409056), (202, 3204528), (303, 2136352), (404, 1602264), (606, 1068176), (661, 979296), (808, 801132), (1212, 534088), (1322, 489648), (1616, 400566), (1983, 326432), (2424, 267044), (2644, 244824), (3232, 200283), (3966, 163216), (4848, 133522), (5288, 122412), (7932, 81608), (9696, 66761), (10201, 63456), (10576, 61206), (15864, 40804), (20402, 31728), (21152, 30603)]