13122725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 21534336

約数和(自身を除く): 8411611

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 401, 425, 595, 935, 1309, 1925, 2005, 2807, 2975, 4411, 4675, 6545, 6817, 10025, 14035, 22055, 30877, 32725, 34085, 47719, 70175, 74987, 110275, 154385, 170425, 238595, 374935, 524909, 771925, 1192975, 1874675, 2624545, 13122725]

約数ペア:

[(1, 13122725), (5, 2624545), (7, 1874675), (11, 1192975), (17, 771925), (25, 524909), (35, 374935), (55, 238595), (77, 170425), (85, 154385), (119, 110275), (175, 74987), (187, 70175), (275, 47719), (385, 34085), (401, 32725), (425, 30877), (595, 22055), (935, 14035), (1309, 10025), (1925, 6817), (2005, 6545), (2807, 4675), (2975, 4411)]