61390406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21020

約数の個数: 32

約数和(自身を含む): 120856320

約数和(自身を除く): 59465914

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 20981, 41962, 146867, 230791, 293734, 398639, 461582, 797278, 1615537, 2790473, 3231074, 4385029, 5580946, 8770058, 30695203, 61390406]

約数ペア:

[(1, 61390406), (2, 30695203), (7, 8770058), (11, 5580946), (14, 4385029), (19, 3231074), (22, 2790473), (38, 1615537), (77, 797278), (133, 461582), (154, 398639), (209, 293734), (266, 230791), (418, 146867), (1463, 41962), (2926, 20981)]