81531982

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^2\times {\mathrm{239}}^1$

素因数の和:373

約数の個数: 36

約数和(自身を含む): 145322640

約数和(自身を除く): 63790658

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 239, 413, 478, 826, 1673, 2891, 3346, 3481, 5782, 6962, 11711, 14101, 23422, 24367, 28202, 48734, 98707, 170569, 197414, 341138, 690949, 831959, 1381898, 1663918, 5823713, 11647426, 40765991, 81531982]

約数ペア:

[(1, 81531982), (2, 40765991), (7, 11647426), (14, 5823713), (49, 1663918), (59, 1381898), (98, 831959), (118, 690949), (239, 341138), (413, 197414), (478, 170569), (826, 98707), (1673, 48734), (2891, 28202), (3346, 24367), (3481, 23422), (5782, 14101), (6962, 11711)]