13665025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 20355840

約数和(自身を除く): 6690815

約数列:

[1, 5, 11, 17, 25, 37, 55, 79, 85, 185, 187, 275, 395, 407, 425, 629, 869, 925, 935, 1343, 1975, 2035, 2923, 3145, 4345, 4675, 6715, 6919, 10175, 14615, 14773, 15725, 21725, 32153, 33575, 34595, 49691, 73075, 73865, 160765, 172975, 248455, 369325, 546601, 803825, 1242275, 2733005, 13665025]

約数ペア:

[(1, 13665025), (5, 2733005), (11, 1242275), (17, 803825), (25, 546601), (37, 369325), (55, 248455), (79, 172975), (85, 160765), (185, 73865), (187, 73075), (275, 49691), (395, 34595), (407, 33575), (425, 32153), (629, 21725), (869, 15725), (925, 14773), (935, 14615), (1343, 10175), (1975, 6919), (2035, 6715), (2923, 4675), (3145, 4345)]