401839945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 536659200

約数和(自身を除く): 134819255

約数列:

[1, 5, 13, 43, 65, 109, 215, 545, 559, 1319, 1417, 2795, 4687, 6595, 7085, 17147, 23435, 56717, 60931, 85735, 143771, 283585, 304655, 718855, 737321, 1869023, 3686605, 6182153, 9345115, 30910765, 80367989, 401839945]

約数ペア:

[(1, 401839945), (5, 80367989), (13, 30910765), (43, 9345115), (65, 6182153), (109, 3686605), (215, 1869023), (545, 737321), (559, 718855), (1319, 304655), (1417, 283585), (2795, 143771), (4687, 85735), (6595, 60931), (7085, 56717), (17147, 23435)]