662004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 1991808

約数和(自身を除く): 1329804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 71, 74, 84, 111, 126, 142, 148, 213, 222, 252, 259, 284, 333, 426, 444, 497, 518, 639, 666, 777, 852, 994, 1036, 1278, 1332, 1491, 1554, 1988, 2331, 2556, 2627, 2982, 3108, 4473, 4662, 5254, 5964, 7881, 8946, 9324, 10508, 15762, 17892, 18389, 23643, 31524, 36778, 47286, 55167, 73556, 94572, 110334, 165501, 220668, 331002, 662004]

約数ペア:

[(1, 662004), (2, 331002), (3, 220668), (4, 165501), (6, 110334), (7, 94572), (9, 73556), (12, 55167), (14, 47286), (18, 36778), (21, 31524), (28, 23643), (36, 18389), (37, 17892), (42, 15762), (63, 10508), (71, 9324), (74, 8946), (84, 7881), (111, 5964), (126, 5254), (142, 4662), (148, 4473), (213, 3108), (222, 2982), (252, 2627), (259, 2556), (284, 2331), (333, 1988), (426, 1554), (444, 1491), (497, 1332), (518, 1278), (639, 1036), (666, 994), (777, 852)]