220698814

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{929}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 385689600

約数和(自身を除く): 164990786

約数列:

[1, 2, 7, 14, 71, 142, 239, 478, 497, 929, 994, 1673, 1858, 3346, 6503, 13006, 16969, 33938, 65959, 118783, 131918, 222031, 237566, 444062, 461713, 923426, 1554217, 3108434, 15764201, 31528402, 110349407, 220698814]

約数ペア:

[(1, 220698814), (2, 110349407), (7, 31528402), (14, 15764201), (71, 3108434), (142, 1554217), (239, 923426), (478, 461713), (497, 444062), (929, 237566), (994, 222031), (1673, 131918), (1858, 118783), (3346, 65959), (6503, 33938), (13006, 16969)]