820199256

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{3691}}^1$

素因数の和:3944

約数の個数: 64

約数和(自身を含む): 2105326080

約数和(自身を除く): 1285126824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 197, 282, 376, 394, 564, 591, 788, 1128, 1182, 1576, 2364, 3691, 4728, 7382, 9259, 11073, 14764, 18518, 22146, 27777, 29528, 37036, 44292, 55554, 74072, 88584, 111108, 173477, 222216, 346954, 520431, 693908, 727127, 1040862, 1387816, 1454254, 2081724, 2181381, 2908508, 4163448, 4362762, 5817016, 8725524, 17451048, 34174969, 68349938, 102524907, 136699876, 205049814, 273399752, 410099628, 820199256]

約数ペア:

[(1, 820199256), (2, 410099628), (3, 273399752), (4, 205049814), (6, 136699876), (8, 102524907), (12, 68349938), (24, 34174969), (47, 17451048), (94, 8725524), (141, 5817016), (188, 4362762), (197, 4163448), (282, 2908508), (376, 2181381), (394, 2081724), (564, 1454254), (591, 1387816), (788, 1040862), (1128, 727127), (1182, 693908), (1576, 520431), (2364, 346954), (3691, 222216), (4728, 173477), (7382, 111108), (9259, 88584), (11073, 74072), (14764, 55554), (18518, 44292), (22146, 37036), (27777, 29528)]