28299635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 43998528

約数和(自身を除く): 15698893

約数列:

[1, 5, 7, 13, 35, 37, 41, 65, 91, 185, 205, 259, 287, 455, 481, 533, 1295, 1435, 1517, 1681, 2405, 2665, 3367, 3731, 7585, 8405, 10619, 11767, 16835, 18655, 19721, 21853, 53095, 58835, 62197, 98605, 109265, 138047, 152971, 310985, 435379, 690235, 764855, 808561, 2176895, 4042805, 5659927, 28299635]

約数ペア:

[(1, 28299635), (5, 5659927), (7, 4042805), (13, 2176895), (35, 808561), (37, 764855), (41, 690235), (65, 435379), (91, 310985), (185, 152971), (205, 138047), (259, 109265), (287, 98605), (455, 62197), (481, 58835), (533, 53095), (1295, 21853), (1435, 19721), (1517, 18655), (1681, 16835), (2405, 11767), (2665, 10619), (3367, 8405), (3731, 7585)]