64986970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{809}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 121597200

約数和(自身を除く): 56610230

約数列:

[1, 2, 5, 10, 29, 58, 145, 277, 290, 554, 809, 1385, 1618, 2770, 4045, 8033, 8090, 16066, 23461, 40165, 46922, 80330, 117305, 224093, 234610, 448186, 1120465, 2240930, 6498697, 12997394, 32493485, 64986970]

約数ペア:

[(1, 64986970), (2, 32493485), (5, 12997394), (10, 6498697), (29, 2240930), (58, 1120465), (145, 448186), (277, 234610), (290, 224093), (554, 117305), (809, 80330), (1385, 46922), (1618, 40165), (2770, 23461), (4045, 16066), (8033, 8090)]