69960656

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1779

約数の個数: 40

約数和(自身を含む): 141059424

約数和(自身を除く): 71098768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1667, 2623, 3334, 5246, 6668, 10492, 13336, 20984, 26672, 41968, 71681, 101687, 143362, 203374, 286724, 406748, 573448, 813496, 1146896, 1626992, 4372541, 8745082, 17490164, 34980328, 69960656]

約数ペア:

[(1, 69960656), (2, 34980328), (4, 17490164), (8, 8745082), (16, 4372541), (43, 1626992), (61, 1146896), (86, 813496), (122, 573448), (172, 406748), (244, 286724), (344, 203374), (488, 143362), (688, 101687), (976, 71681), (1667, 41968), (2623, 26672), (3334, 20984), (5246, 13336), (6668, 10492)]