81382658

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 141965568

約数和(自身を除く): 60582910

約数列:

[1, 2, 7, 14, 137, 151, 274, 281, 302, 562, 959, 1057, 1918, 1967, 2114, 3934, 20687, 38497, 41374, 42431, 76994, 84862, 144809, 269479, 289618, 297017, 538958, 594034, 5813047, 11626094, 40691329, 81382658]

約数ペア:

[(1, 81382658), (2, 40691329), (7, 11626094), (14, 5813047), (137, 594034), (151, 538958), (274, 297017), (281, 289618), (302, 269479), (562, 144809), (959, 84862), (1057, 76994), (1918, 42431), (1967, 41374), (2114, 38497), (3934, 20687)]