25196428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 45730944

約数和(自身を除く): 20534516

約数列:

[1, 2, 4, 31, 62, 124, 317, 634, 641, 1268, 1282, 2564, 9827, 19654, 19871, 39308, 39742, 79484, 203197, 406394, 812788, 6299107, 12598214, 25196428]

約数ペア:

[(1, 25196428), (2, 12598214), (4, 6299107), (31, 812788), (62, 406394), (124, 203197), (317, 79484), (634, 39742), (641, 39308), (1268, 19871), (1282, 19654), (2564, 9827)]