291288865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4007}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 418627584

約数和(自身を除く): 127338719

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 335, 469, 1085, 2077, 2345, 4007, 10385, 14539, 20035, 28049, 72695, 124217, 140245, 268469, 621085, 869519, 1342345, 1879283, 4347595, 8322539, 9396415, 41612695, 58257773, 291288865]

約数ペア:

[(1, 291288865), (5, 58257773), (7, 41612695), (31, 9396415), (35, 8322539), (67, 4347595), (155, 1879283), (217, 1342345), (335, 869519), (469, 621085), (1085, 268469), (2077, 140245), (2345, 124217), (4007, 72695), (10385, 28049), (14539, 20035)]