645024436

素因数分解:

$2^2\times 7^2\times {\mathrm{883}}^1\times {\mathrm{3727}}^1$

素因数の和:4628

約数の個数: 36

約数和(自身を含む): 1314925248

約数和(自身を除く): 669900812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 883, 1766, 3532, 3727, 6181, 7454, 12362, 14908, 24724, 26089, 43267, 52178, 86534, 104356, 173068, 182623, 365246, 730492, 3290941, 6581882, 13163764, 23036587, 46073174, 92146348, 161256109, 322512218, 645024436]

約数ペア:

[(1, 645024436), (2, 322512218), (4, 161256109), (7, 92146348), (14, 46073174), (28, 23036587), (49, 13163764), (98, 6581882), (196, 3290941), (883, 730492), (1766, 365246), (3532, 182623), (3727, 173068), (6181, 104356), (7454, 86534), (12362, 52178), (14908, 43267), (24724, 26089)]