51303890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6569}}^1$

素因数の和:6658

約数の個数: 32

約数和(自身を含む): 102176640

約数和(自身を除く): 50872750

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 6569, 7810, 13138, 32845, 65690, 72259, 144518, 361295, 466399, 722590, 932798, 2331995, 4663990, 5130389, 10260778, 25651945, 51303890]

約数ペア:

[(1, 51303890), (2, 25651945), (5, 10260778), (10, 5130389), (11, 4663990), (22, 2331995), (55, 932798), (71, 722590), (110, 466399), (142, 361295), (355, 144518), (710, 72259), (781, 65690), (1562, 32845), (3905, 13138), (6569, 7810)]