64797425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 102743424

約数和(自身を除く): 37945999

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 275, 287, 385, 451, 821, 1025, 1435, 1925, 2255, 3157, 4105, 5747, 7175, 9031, 11275, 15785, 20525, 28735, 33661, 45155, 63217, 78925, 143675, 168305, 225775, 235627, 316085, 370271, 841525, 1178135, 1580425, 1851355, 2591897, 5890675, 9256775, 12959485, 64797425]

約数ペア:

[(1, 64797425), (5, 12959485), (7, 9256775), (11, 5890675), (25, 2591897), (35, 1851355), (41, 1580425), (55, 1178135), (77, 841525), (175, 370271), (205, 316085), (275, 235627), (287, 225775), (385, 168305), (451, 143675), (821, 78925), (1025, 63217), (1435, 45155), (1925, 33661), (2255, 28735), (3157, 20525), (4105, 15785), (5747, 11275), (7175, 9031)]