258291267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 382642176

約数和(自身を除く): 124350909

約数列:

[1, 3, 13, 39, 41, 123, 163, 489, 533, 991, 1599, 2119, 2973, 6357, 6683, 12883, 20049, 38649, 40631, 86879, 121893, 161533, 260637, 484599, 528203, 1584609, 2099929, 6299787, 6622853, 19868559, 86097089, 258291267]

約数ペア:

[(1, 258291267), (3, 86097089), (13, 19868559), (39, 6622853), (41, 6299787), (123, 2099929), (163, 1584609), (489, 528203), (533, 484599), (991, 260637), (1599, 161533), (2119, 121893), (2973, 86879), (6357, 40631), (6683, 38649), (12883, 20049)]