645155264

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{1321}}^1$

素因数の和:1933

約数の個数: 56

約数和(自身を含む): 1382103408

約数和(自身を除く): 736948144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 587, 832, 1174, 1321, 2348, 2642, 4696, 5284, 7631, 9392, 10568, 15262, 17173, 18784, 21136, 30524, 34346, 37568, 42272, 61048, 68692, 84544, 122096, 137384, 244192, 274768, 488384, 549536, 775427, 1099072, 1550854, 3101708, 6203416, 10080551, 12406832, 20161102, 24813664, 40322204, 49627328, 80644408, 161288816, 322577632, 645155264]

約数ペア:

[(1, 645155264), (2, 322577632), (4, 161288816), (8, 80644408), (13, 49627328), (16, 40322204), (26, 24813664), (32, 20161102), (52, 12406832), (64, 10080551), (104, 6203416), (208, 3101708), (416, 1550854), (587, 1099072), (832, 775427), (1174, 549536), (1321, 488384), (2348, 274768), (2642, 244192), (4696, 137384), (5284, 122096), (7631, 84544), (9392, 68692), (10568, 61048), (15262, 42272), (17173, 37568), (18784, 34346), (21136, 30524)]