86495890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 175472640

約数和(自身を除く): 88976750

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 127, 130, 155, 169, 254, 310, 338, 403, 635, 806, 845, 1270, 1651, 1690, 2015, 2197, 3302, 3937, 4030, 4394, 5239, 7874, 8255, 10478, 10985, 16510, 19685, 21463, 21970, 26195, 39370, 42926, 51181, 52390, 68107, 102362, 107315, 136214, 214630, 255905, 279019, 340535, 511810, 558038, 665353, 681070, 1330706, 1395095, 2790190, 3326765, 6653530, 8649589, 17299178, 43247945, 86495890]

約数ペア:

[(1, 86495890), (2, 43247945), (5, 17299178), (10, 8649589), (13, 6653530), (26, 3326765), (31, 2790190), (62, 1395095), (65, 1330706), (127, 681070), (130, 665353), (155, 558038), (169, 511810), (254, 340535), (310, 279019), (338, 255905), (403, 214630), (635, 136214), (806, 107315), (845, 102362), (1270, 68107), (1651, 52390), (1690, 51181), (2015, 42926), (2197, 39370), (3302, 26195), (3937, 21970), (4030, 21463), (4394, 19685), (5239, 16510), (7874, 10985), (8255, 10478)]