218219794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{761}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 362925360

約数和(自身を除く): 144705566

約数列:

[1, 2, 13, 26, 41, 82, 269, 533, 538, 761, 1066, 1522, 3497, 6994, 9893, 11029, 19786, 22058, 31201, 62402, 143377, 204709, 286754, 405613, 409418, 811226, 2661217, 5322434, 8393069, 16786138, 109109897, 218219794]

約数ペア:

[(1, 218219794), (2, 109109897), (13, 16786138), (26, 8393069), (41, 5322434), (82, 2661217), (269, 811226), (533, 409418), (538, 405613), (761, 286754), (1066, 204709), (1522, 143377), (3497, 62402), (6994, 31201), (9893, 22058), (11029, 19786)]