278360906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 446472000

約数和(自身を除く): 168111094

約数列:

[1, 2, 19, 38, 149, 211, 233, 298, 422, 466, 2831, 4009, 4427, 5662, 8018, 8854, 31439, 34717, 49163, 62878, 69434, 98326, 597341, 659623, 934097, 1194682, 1319246, 1868194, 7325287, 14650574, 139180453, 278360906]

約数ペア:

[(1, 278360906), (2, 139180453), (19, 14650574), (38, 7325287), (149, 1868194), (211, 1319246), (233, 1194682), (298, 934097), (422, 659623), (466, 597341), (2831, 98326), (4009, 69434), (4427, 62878), (5662, 49163), (8018, 34717), (8854, 31439)]