391546764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{517919}}^1$

素因数の和:517939

約数の個数: 48

約数和(自身を含む): 1160140800

約数和(自身を除く): 768594036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 517919, 1035838, 1553757, 2071676, 3107514, 3625433, 4661271, 6215028, 7250866, 9322542, 10876299, 13983813, 14501732, 18645084, 21752598, 27967626, 32628897, 43505196, 55935252, 65257794, 97886691, 130515588, 195773382, 391546764]

約数ペア:

[(1, 391546764), (2, 195773382), (3, 130515588), (4, 97886691), (6, 65257794), (7, 55935252), (9, 43505196), (12, 32628897), (14, 27967626), (18, 21752598), (21, 18645084), (27, 14501732), (28, 13983813), (36, 10876299), (42, 9322542), (54, 7250866), (63, 6215028), (84, 4661271), (108, 3625433), (126, 3107514), (189, 2071676), (252, 1553757), (378, 1035838), (756, 517919)]