28364128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 33277088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 1663, 2132, 3326, 4264, 6652, 8528, 13304, 17056, 21619, 26608, 43238, 53216, 68183, 86476, 136366, 172952, 272732, 345904, 545464, 691808, 886379, 1090928, 1772758, 2181856, 3545516, 7091032, 14182064, 28364128]

約数ペア:

[(1, 28364128), (2, 14182064), (4, 7091032), (8, 3545516), (13, 2181856), (16, 1772758), (26, 1090928), (32, 886379), (41, 691808), (52, 545464), (82, 345904), (104, 272732), (164, 172952), (208, 136366), (328, 86476), (416, 68183), (533, 53216), (656, 43238), (1066, 26608), (1312, 21619), (1663, 17056), (2132, 13304), (3326, 8528), (4264, 6652)]