313361425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 453720960

約数和(自身を除く): 140359535

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 425, 559, 731, 1075, 1105, 1319, 2795, 3655, 5525, 6595, 9503, 13975, 17147, 18275, 22423, 32975, 47515, 56717, 85735, 112115, 237575, 283585, 291499, 428675, 560575, 737321, 964189, 1417925, 1457495, 3686605, 4820945, 7287475, 12534457, 18433025, 24104725, 62672285, 313361425]

約数ペア:

[(1, 313361425), (5, 62672285), (13, 24104725), (17, 18433025), (25, 12534457), (43, 7287475), (65, 4820945), (85, 3686605), (215, 1457495), (221, 1417925), (325, 964189), (425, 737321), (559, 560575), (731, 428675), (1075, 291499), (1105, 283585), (1319, 237575), (2795, 112115), (3655, 85735), (5525, 56717), (6595, 47515), (9503, 32975), (13975, 22423), (17147, 18275)]