81866988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324869}}^1$

素因数の和:324886

約数の個数: 36

約数和(自身を含む): 236505360

約数和(自身を除く): 154638372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324869, 649738, 974607, 1299476, 1949214, 2274083, 2923821, 3898428, 4548166, 5847642, 6822249, 9096332, 11695284, 13644498, 20466747, 27288996, 40933494, 81866988]

約数ペア:

[(1, 81866988), (2, 40933494), (3, 27288996), (4, 20466747), (6, 13644498), (7, 11695284), (9, 9096332), (12, 6822249), (14, 5847642), (18, 4548166), (21, 3898428), (28, 2923821), (36, 2274083), (42, 1949214), (63, 1299476), (84, 974607), (126, 649738), (252, 324869)]