289912

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 355208

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 167, 217, 248, 334, 434, 668, 868, 1169, 1336, 1736, 2338, 4676, 5177, 9352, 10354, 20708, 36239, 41416, 72478, 144956, 289912]

約数ペア:

[(1, 289912), (2, 144956), (4, 72478), (7, 41416), (8, 36239), (14, 20708), (28, 10354), (31, 9352), (56, 5177), (62, 4676), (124, 2338), (167, 1736), (217, 1336), (248, 1169), (334, 868), (434, 668)]