72488156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:870

約数の個数: 36

約数和(自身を含む): 138440232

約数和(自身を除く): 65952076

約数列:

[1, 2, 4, 13, 26, 52, 157, 169, 314, 338, 628, 676, 683, 1366, 2041, 2732, 4082, 8164, 8879, 17758, 26533, 35516, 53066, 106132, 107231, 115427, 214462, 230854, 428924, 461708, 1394003, 2788006, 5576012, 18122039, 36244078, 72488156]

約数ペア:

[(1, 72488156), (2, 36244078), (4, 18122039), (13, 5576012), (26, 2788006), (52, 1394003), (157, 461708), (169, 428924), (314, 230854), (338, 214462), (628, 115427), (676, 107231), (683, 106132), (1366, 53066), (2041, 35516), (2732, 26533), (4082, 17758), (8164, 8879)]