220668

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 612864

約数和(自身を除く): 392196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 71, 74, 84, 111, 142, 148, 213, 222, 259, 284, 426, 444, 497, 518, 777, 852, 994, 1036, 1491, 1554, 1988, 2627, 2982, 3108, 5254, 5964, 7881, 10508, 15762, 18389, 31524, 36778, 55167, 73556, 110334, 220668]

約数ペア:

[(1, 220668), (2, 110334), (3, 73556), (4, 55167), (6, 36778), (7, 31524), (12, 18389), (14, 15762), (21, 10508), (28, 7881), (37, 5964), (42, 5254), (71, 3108), (74, 2982), (84, 2627), (111, 1988), (142, 1554), (148, 1491), (213, 1036), (222, 994), (259, 852), (284, 777), (426, 518), (444, 497)]