80018988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13417}}^1$

素因数の和:13502

約数の個数: 48

約数和(自身を含む): 216405504

約数和(自身を除く): 136386516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 13417, 26834, 40251, 53668, 80502, 93919, 161004, 187838, 281757, 375676, 563514, 952607, 1127028, 1905214, 2857821, 3810428, 5715642, 6668249, 11431284, 13336498, 20004747, 26672996, 40009494, 80018988]

約数ペア:

[(1, 80018988), (2, 40009494), (3, 26672996), (4, 20004747), (6, 13336498), (7, 11431284), (12, 6668249), (14, 5715642), (21, 3810428), (28, 2857821), (42, 1905214), (71, 1127028), (84, 952607), (142, 563514), (213, 375676), (284, 281757), (426, 187838), (497, 161004), (852, 93919), (994, 80502), (1491, 53668), (1988, 40251), (2982, 26834), (5964, 13417)]