1988658

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{5261}}^1$

素因数の和:5279

約数の個数: 32

約数和(自身を含む): 5051520

約数和(自身を除く): 3062862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 5261, 10522, 15783, 31566, 36827, 47349, 73654, 94698, 110481, 142047, 220962, 284094, 331443, 662886, 994329, 1988658]

約数ペア:

[(1, 1988658), (2, 994329), (3, 662886), (6, 331443), (7, 284094), (9, 220962), (14, 142047), (18, 110481), (21, 94698), (27, 73654), (42, 47349), (54, 36827), (63, 31566), (126, 15783), (189, 10522), (378, 5261)]