25978953

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 47867904

約数和(自身を除く): 21888951

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 41, 77, 91, 123, 143, 211, 231, 273, 287, 429, 451, 533, 633, 861, 1001, 1353, 1477, 1599, 2321, 2743, 3003, 3157, 3731, 4431, 5863, 6963, 8229, 8651, 9471, 11193, 16247, 17589, 19201, 25953, 30173, 41041, 48741, 57603, 60557, 90519, 95161, 112463, 123123, 181671, 211211, 285483, 337389, 633633, 666127, 787241, 1237093, 1998381, 2361723, 3711279, 8659651, 25978953]

約数ペア:

[(1, 25978953), (3, 8659651), (7, 3711279), (11, 2361723), (13, 1998381), (21, 1237093), (33, 787241), (39, 666127), (41, 633633), (77, 337389), (91, 285483), (123, 211211), (143, 181671), (211, 123123), (231, 112463), (273, 95161), (287, 90519), (429, 60557), (451, 57603), (533, 48741), (633, 41041), (861, 30173), (1001, 25953), (1353, 19201), (1477, 17589), (1599, 16247), (2321, 11193), (2743, 9471), (3003, 8651), (3157, 8229), (3731, 6963), (4431, 5863)]