85642975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 125527680

約数和(自身を除く): 39884705

約数列:

[1, 5, 11, 19, 25, 37, 55, 95, 185, 209, 275, 407, 443, 475, 703, 925, 1045, 2035, 2215, 3515, 4873, 5225, 7733, 8417, 10175, 11075, 16391, 17575, 24365, 38665, 42085, 81955, 92587, 121825, 180301, 193325, 210425, 311429, 409775, 462935, 901505, 1557145, 2314675, 3425719, 4507525, 7785725, 17128595, 85642975]

約数ペア:

[(1, 85642975), (5, 17128595), (11, 7785725), (19, 4507525), (25, 3425719), (37, 2314675), (55, 1557145), (95, 901505), (185, 462935), (209, 409775), (275, 311429), (407, 210425), (443, 193325), (475, 180301), (703, 121825), (925, 92587), (1045, 81955), (2035, 42085), (2215, 38665), (3515, 24365), (4873, 17575), (5225, 16391), (7733, 11075), (8417, 10175)]