78643206

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{31891}}^1$

素因数の和:32036

約数の個数: 24

約数和(自身を含む): 171642744

約数和(自身を除く): 92999538

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 31891, 63782, 95673, 191346, 287019, 574038, 4369067, 8738134, 13107201, 26214402, 39321603, 78643206]

約数ペア:

[(1, 78643206), (2, 39321603), (3, 26214402), (6, 13107201), (9, 8738134), (18, 4369067), (137, 574038), (274, 287019), (411, 191346), (822, 95673), (1233, 63782), (2466, 31891)]