28456015

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6113}}^1$

素因数の和:6151

約数の個数: 24

約数和(自身を含む): 41819760

約数和(自身を除く): 13363745

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6113, 30565, 42791, 116147, 213955, 299537, 580735, 813029, 1497685, 4065145, 5691203, 28456015]

約数ペア:

[(1, 28456015), (5, 5691203), (7, 4065145), (19, 1497685), (35, 813029), (49, 580735), (95, 299537), (133, 213955), (245, 116147), (665, 42791), (931, 30565), (4655, 6113)]