661693494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{4327}}^1$

素因数の和:4681

約数の個数: 64

約数和(自身を含む): 1655304192

約数和(自身を除く): 993610698

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 331, 462, 662, 993, 1986, 2317, 3641, 4327, 4634, 6951, 7282, 8654, 10923, 12981, 13902, 21846, 25487, 25962, 30289, 47597, 50974, 60578, 76461, 90867, 95194, 142791, 152922, 181734, 285582, 333179, 666358, 999537, 1432237, 1999074, 2864474, 4296711, 8593422, 10025659, 15754607, 20051318, 30076977, 31509214, 47263821, 60153954, 94527642, 110282249, 220564498, 330846747, 661693494]

約数ペア:

[(1, 661693494), (2, 330846747), (3, 220564498), (6, 110282249), (7, 94527642), (11, 60153954), (14, 47263821), (21, 31509214), (22, 30076977), (33, 20051318), (42, 15754607), (66, 10025659), (77, 8593422), (154, 4296711), (231, 2864474), (331, 1999074), (462, 1432237), (662, 999537), (993, 666358), (1986, 333179), (2317, 285582), (3641, 181734), (4327, 152922), (4634, 142791), (6951, 95194), (7282, 90867), (8654, 76461), (10923, 60578), (12981, 50974), (13902, 47597), (21846, 30289), (25487, 25962)]