3989916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 11741184

約数和(自身を除く): 7751268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 223, 252, 284, 426, 446, 497, 639, 669, 852, 892, 994, 1278, 1338, 1491, 1561, 1988, 2007, 2556, 2676, 2982, 3122, 4014, 4473, 4683, 5964, 6244, 8028, 8946, 9366, 14049, 15833, 17892, 18732, 28098, 31666, 47499, 56196, 63332, 94998, 110831, 142497, 189996, 221662, 284994, 332493, 443324, 569988, 664986, 997479, 1329972, 1994958, 3989916]

約数ペア:

[(1, 3989916), (2, 1994958), (3, 1329972), (4, 997479), (6, 664986), (7, 569988), (9, 443324), (12, 332493), (14, 284994), (18, 221662), (21, 189996), (28, 142497), (36, 110831), (42, 94998), (63, 63332), (71, 56196), (84, 47499), (126, 31666), (142, 28098), (213, 18732), (223, 17892), (252, 15833), (284, 14049), (426, 9366), (446, 8946), (497, 8028), (639, 6244), (669, 5964), (852, 4683), (892, 4473), (994, 4014), (1278, 3122), (1338, 2982), (1491, 2676), (1561, 2556), (1988, 2007)]