636587399

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 786806784

約数和(自身を除く): 150219385

約数列:

[1, 7, 23, 53, 61, 161, 371, 427, 1219, 1223, 1403, 3233, 8533, 8561, 9821, 22631, 28129, 64819, 74359, 74603, 196903, 453733, 520513, 522221, 1490837, 1715869, 3953959, 10435859, 12011083, 27677713, 90941057, 636587399]

約数ペア:

[(1, 636587399), (7, 90941057), (23, 27677713), (53, 12011083), (61, 10435859), (161, 3953959), (371, 1715869), (427, 1490837), (1219, 522221), (1223, 520513), (1403, 453733), (3233, 196903), (8533, 74603), (8561, 74359), (9821, 64819), (22631, 28129)]