81928970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 153501696

約数和(自身を除く): 71572726

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 635, 1270, 2081, 3937, 4162, 7874, 10405, 19685, 20810, 39370, 64511, 129022, 264287, 322555, 528574, 645110, 1321435, 2642870, 8192897, 16385794, 40964485, 81928970]

約数ペア:

[(1, 81928970), (2, 40964485), (5, 16385794), (10, 8192897), (31, 2642870), (62, 1321435), (127, 645110), (155, 528574), (254, 322555), (310, 264287), (635, 129022), (1270, 64511), (2081, 39370), (3937, 20810), (4162, 19685), (7874, 10405)]