2557139408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{72613}}^1$

素因数の和:72723

約数の個数: 40

約数和(自身を含む): 5186382336

約数和(自身を除く): 2629242928

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 2201, 4402, 8804, 17608, 35216, 72613, 145226, 290452, 580904, 1161808, 2251003, 4502006, 5155523, 9004012, 10311046, 18008024, 20622092, 36016048, 41244184, 82488368, 159821213, 319642426, 639284852, 1278569704, 2557139408]

約数ペア:

[(1, 2557139408), (2, 1278569704), (4, 639284852), (8, 319642426), (16, 159821213), (31, 82488368), (62, 41244184), (71, 36016048), (124, 20622092), (142, 18008024), (248, 10311046), (284, 9004012), (496, 5155523), (568, 4502006), (1136, 2251003), (2201, 1161808), (4402, 580904), (8804, 290452), (17608, 145226), (35216, 72613)]