66674725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 91857216

約数和(自身を除く): 25182491

約数列:

[1, 5, 13, 25, 43, 65, 169, 215, 325, 367, 559, 845, 1075, 1835, 2795, 4225, 4771, 7267, 9175, 13975, 15781, 23855, 36335, 62023, 78905, 119275, 181675, 205153, 310115, 394525, 1025765, 1550575, 2666989, 5128825, 13334945, 66674725]

約数ペア:

[(1, 66674725), (5, 13334945), (13, 5128825), (25, 2666989), (43, 1550575), (65, 1025765), (169, 394525), (215, 310115), (325, 205153), (367, 181675), (559, 119275), (845, 78905), (1075, 62023), (1835, 36335), (2795, 23855), (4225, 15781), (4771, 13975), (7267, 9175)]