644364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2574

約数の個数: 36

約数和(自身を含む): 1862224

約数和(自身を除く): 1217860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2557, 5114, 7671, 10228, 15342, 17899, 23013, 30684, 35798, 46026, 53697, 71596, 92052, 107394, 161091, 214788, 322182, 644364]

約数ペア:

[(1, 644364), (2, 322182), (3, 214788), (4, 161091), (6, 107394), (7, 92052), (9, 71596), (12, 53697), (14, 46026), (18, 35798), (21, 30684), (28, 23013), (36, 17899), (42, 15342), (63, 10228), (84, 7671), (126, 5114), (252, 2557)]