78438654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{622529}}^1$

素因数の和:622544

約数の個数: 24

約数和(自身を含む): 194229360

約数和(自身を除く): 115790706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 622529, 1245058, 1867587, 3735174, 4357703, 5602761, 8715406, 11205522, 13073109, 26146218, 39219327, 78438654]

約数ペア:

[(1, 78438654), (2, 39219327), (3, 26146218), (6, 13073109), (7, 11205522), (9, 8715406), (14, 5602761), (18, 4357703), (21, 3735174), (42, 1867587), (63, 1245058), (126, 622529)]