64855284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21920

約数の個数: 48

約数和(自身を含む): 171554880

約数和(自身を除く): 106699596

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 21881, 43762, 65643, 87524, 131286, 262572, 284453, 415739, 568906, 831478, 853359, 1137812, 1247217, 1662956, 1706718, 2494434, 3413436, 4988868, 5404607, 10809214, 16213821, 21618428, 32427642, 64855284]

約数ペア:

[(1, 64855284), (2, 32427642), (3, 21618428), (4, 16213821), (6, 10809214), (12, 5404607), (13, 4988868), (19, 3413436), (26, 2494434), (38, 1706718), (39, 1662956), (52, 1247217), (57, 1137812), (76, 853359), (78, 831478), (114, 568906), (156, 415739), (228, 284453), (247, 262572), (494, 131286), (741, 87524), (988, 65643), (1482, 43762), (2964, 21881)]