12783121984

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{691129}}^1$

素因数の和:691175

約数の個数: 42

約数和(自身を含む): 26946467570

約数和(自身を除く): 14163345586

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1156, 2312, 4624, 9248, 18496, 691129, 1382258, 2764516, 5529032, 11058064, 11749193, 22116128, 23498386, 44232256, 46996772, 93993544, 187987088, 199736281, 375974176, 399472562, 751948352, 798945124, 1597890248, 3195780496, 6391560992, 12783121984]

約数ペア:

[(1, 12783121984), (2, 6391560992), (4, 3195780496), (8, 1597890248), (16, 798945124), (17, 751948352), (32, 399472562), (34, 375974176), (64, 199736281), (68, 187987088), (136, 93993544), (272, 46996772), (289, 44232256), (544, 23498386), (578, 22116128), (1088, 11749193), (1156, 11058064), (2312, 5529032), (4624, 2764516), (9248, 1382258), (18496, 691129)]