81416128

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{74831}}^1$

素因数の和:74860

約数の個数: 28

約数和(自身を含む): 171065952

約数和(自身を除く): 89649824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 74831, 149662, 299324, 598648, 1197296, 1272127, 2394592, 2544254, 4789184, 5088508, 10177016, 20354032, 40708064, 81416128]

約数ペア:

[(1, 81416128), (2, 40708064), (4, 20354032), (8, 10177016), (16, 5088508), (17, 4789184), (32, 2544254), (34, 2394592), (64, 1272127), (68, 1197296), (136, 598648), (272, 299324), (544, 149662), (1088, 74831)]