215087496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{689383}}^1$

素因数の和:689405

約数の個数: 32

約数和(自身を含む): 579082560

約数和(自身を除く): 363995064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 689383, 1378766, 2068149, 2757532, 4136298, 5515064, 8272596, 8961979, 16545192, 17923958, 26885937, 35847916, 53771874, 71695832, 107543748, 215087496]

約数ペア:

[(1, 215087496), (2, 107543748), (3, 71695832), (4, 53771874), (6, 35847916), (8, 26885937), (12, 17923958), (13, 16545192), (24, 8961979), (26, 8272596), (39, 5515064), (52, 4136298), (78, 2757532), (104, 2068149), (156, 1378766), (312, 689383)]