253143365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 337920000

約数和(自身を除く): 84776635

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 817, 1333, 1999, 2945, 4085, 6665, 9995, 25327, 37981, 61969, 85957, 126635, 189905, 309845, 429785, 1177411, 1633183, 2664667, 5887055, 8165915, 13323335, 50628673, 253143365]

約数ペア:

[(1, 253143365), (5, 50628673), (19, 13323335), (31, 8165915), (43, 5887055), (95, 2664667), (155, 1633183), (215, 1177411), (589, 429785), (817, 309845), (1333, 189905), (1999, 126635), (2945, 85957), (4085, 61969), (6665, 37981), (9995, 25327)]