64987285

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 86375520

約数和(自身を除く): 21388235

約数列:

[1, 5, 11, 55, 121, 163, 605, 659, 815, 1793, 3295, 7249, 8965, 19723, 36245, 79739, 98615, 107417, 398695, 537085, 1181587, 5907935, 12997457, 64987285]

約数ペア:

[(1, 64987285), (5, 12997457), (11, 5907935), (55, 1181587), (121, 537085), (163, 398695), (605, 107417), (659, 98615), (815, 79739), (1793, 36245), (3295, 19723), (7249, 8965)]