158907978

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{67391}}^1$

素因数の和:67530

約数の個数: 24

約数和(自身を含む): 346934016

約数和(自身を除く): 188026038

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 67391, 134782, 202173, 404346, 606519, 1213038, 8828221, 17656442, 26484663, 52969326, 79453989, 158907978]

約数ペア:

[(1, 158907978), (2, 79453989), (3, 52969326), (6, 26484663), (9, 17656442), (18, 8828221), (131, 1213038), (262, 606519), (393, 404346), (786, 202173), (1179, 134782), (2358, 67391)]