66810890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1697}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 125190144

約数和(自身を除く): 58379254

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 635, 1270, 1697, 3394, 3937, 7874, 8485, 16970, 19685, 39370, 52607, 105214, 215519, 263035, 431038, 526070, 1077595, 2155190, 6681089, 13362178, 33405445, 66810890]

約数ペア:

[(1, 66810890), (2, 33405445), (5, 13362178), (10, 6681089), (31, 2155190), (62, 1077595), (127, 526070), (155, 431038), (254, 263035), (310, 215519), (635, 105214), (1270, 52607), (1697, 39370), (3394, 19685), (3937, 16970), (7874, 8485)]