40987902

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1399}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 86688000

約数和(自身を除く): 45700098

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 257, 514, 771, 1399, 1542, 2798, 4197, 4883, 8394, 9766, 14649, 26581, 29298, 53162, 79743, 159486, 359543, 719086, 1078629, 2157258, 6831317, 13662634, 20493951, 40987902]

約数ペア:

[(1, 40987902), (2, 20493951), (3, 13662634), (6, 6831317), (19, 2157258), (38, 1078629), (57, 719086), (114, 359543), (257, 159486), (514, 79743), (771, 53162), (1399, 29298), (1542, 26581), (2798, 14649), (4197, 9766), (4883, 8394)]