81747328

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{3779}}^1$

素因数の和:3819

約数の個数: 48

約数和(自身を含む): 176393700

約数和(自身を除く): 94646372

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 3779, 5408, 7558, 10816, 15116, 21632, 30232, 49127, 60464, 98254, 120928, 196508, 241856, 393016, 483712, 638651, 786032, 1277302, 1572064, 2554604, 3144128, 5109208, 6288256, 10218416, 20436832, 40873664, 81747328]

約数ペア:

[(1, 81747328), (2, 40873664), (4, 20436832), (8, 10218416), (13, 6288256), (16, 5109208), (26, 3144128), (32, 2554604), (52, 1572064), (64, 1277302), (104, 786032), (128, 638651), (169, 483712), (208, 393016), (338, 241856), (416, 196508), (676, 120928), (832, 98254), (1352, 60464), (1664, 49127), (2704, 30232), (3779, 21632), (5408, 15116), (7558, 10816)]