31010128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 64058400

約数和(自身を除く): 33048272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 1229, 1328, 1577, 2458, 3154, 4916, 6308, 9832, 12616, 19664, 23351, 25232, 46702, 93404, 102007, 186808, 204014, 373616, 408028, 816056, 1632112, 1938133, 3876266, 7752532, 15505064, 31010128]

約数ペア:

[(1, 31010128), (2, 15505064), (4, 7752532), (8, 3876266), (16, 1938133), (19, 1632112), (38, 816056), (76, 408028), (83, 373616), (152, 204014), (166, 186808), (304, 102007), (332, 93404), (664, 46702), (1229, 25232), (1328, 23351), (1577, 19664), (2458, 12616), (3154, 9832), (4916, 6308)]