249121208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{143503}}^1$

素因数の和:143547

約数の個数: 32

約数和(自身を含む): 551055360

約数和(自身を除く): 301934152

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 143503, 287006, 574012, 1004521, 1148024, 2009042, 4018084, 4448593, 8036168, 8897186, 17794372, 31140151, 35588744, 62280302, 124560604, 249121208]

約数ペア:

[(1, 249121208), (2, 124560604), (4, 62280302), (7, 35588744), (8, 31140151), (14, 17794372), (28, 8897186), (31, 8036168), (56, 4448593), (62, 4018084), (124, 2009042), (217, 1148024), (248, 1004521), (434, 574012), (868, 287006), (1736, 143503)]