78178882

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 127713600

約数和(自身を除く): 49534718

約数列:

[1, 2, 19, 38, 41, 82, 139, 278, 361, 722, 779, 1558, 2641, 5282, 5699, 6859, 11398, 13718, 14801, 29602, 50179, 100358, 108281, 216562, 281219, 562438, 953401, 1906802, 2057339, 4114678, 39089441, 78178882]

約数ペア:

[(1, 78178882), (2, 39089441), (19, 4114678), (38, 2057339), (41, 1906802), (82, 953401), (139, 562438), (278, 281219), (361, 216562), (722, 108281), (779, 100358), (1558, 50179), (2641, 29602), (5282, 14801), (5699, 13718), (6859, 11398)]