72638224

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{110729}}^1$

素因数の和:110778

約数の個数: 20

約数和(自身を含む): 144170460

約数和(自身を除く): 71532236

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 110729, 221458, 442916, 885832, 1771664, 4539889, 9079778, 18159556, 36319112, 72638224]

約数ペア:

[(1, 72638224), (2, 36319112), (4, 18159556), (8, 9079778), (16, 4539889), (41, 1771664), (82, 885832), (164, 442916), (328, 221458), (656, 110729)]