815238889216

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{4643}}^1\times {\mathrm{6659}}^1$

素因数の和:11421

約数の個数: 72

約数和(自身を含む): 1643692901760

約数和(自身を除く): 828454012544

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 824, 1648, 3296, 4643, 6592, 6659, 9286, 13184, 13318, 18572, 26368, 26636, 37144, 53272, 74288, 106544, 148576, 213088, 297152, 426176, 478229, 594304, 685877, 852352, 956458, 1188608, 1371754, 1704704, 1912916, 2743508, 3825832, 5487016, 7651664, 10974032, 15303328, 21948064, 30606656, 30917737, 43896128, 61213312, 61835474, 87792256, 122426624, 123670948, 175584512, 247341896, 494683792, 989367584, 1978735168, 3184526911, 3957470336, 6369053822, 7914940672, 12738107644, 25476215288, 50952430576, 101904861152, 203809722304, 407619444608, 815238889216]

約数ペア:

[(1, 815238889216), (2, 407619444608), (4, 203809722304), (8, 101904861152), (16, 50952430576), (32, 25476215288), (64, 12738107644), (103, 7914940672), (128, 6369053822), (206, 3957470336), (256, 3184526911), (412, 1978735168), (824, 989367584), (1648, 494683792), (3296, 247341896), (4643, 175584512), (6592, 123670948), (6659, 122426624), (9286, 87792256), (13184, 61835474), (13318, 61213312), (18572, 43896128), (26368, 30917737), (26636, 30606656), (37144, 21948064), (53272, 15303328), (74288, 10974032), (106544, 7651664), (148576, 5487016), (213088, 3825832), (297152, 2743508), (426176, 1912916), (478229, 1704704), (594304, 1371754), (685877, 1188608), (852352, 956458)]