72178564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 136745280

約数和(自身を除く): 64566716

約数列:

[1, 2, 4, 29, 37, 58, 67, 74, 116, 134, 148, 251, 268, 502, 1004, 1073, 1943, 2146, 2479, 3886, 4292, 4958, 7279, 7772, 9287, 9916, 14558, 16817, 18574, 29116, 33634, 37148, 67268, 71891, 143782, 269323, 287564, 487693, 538646, 622229, 975386, 1077292, 1244458, 1950772, 2488916, 18044641, 36089282, 72178564]

約数ペア:

[(1, 72178564), (2, 36089282), (4, 18044641), (29, 2488916), (37, 1950772), (58, 1244458), (67, 1077292), (74, 975386), (116, 622229), (134, 538646), (148, 487693), (251, 287564), (268, 269323), (502, 143782), (1004, 71891), (1073, 67268), (1943, 37148), (2146, 33634), (2479, 29116), (3886, 18574), (4292, 16817), (4958, 14558), (7279, 9916), (7772, 9287)]