81631432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3259}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 159609600

約数和(自身を除く): 77978168

約数列:

[1, 2, 4, 8, 31, 62, 101, 124, 202, 248, 404, 808, 3131, 3259, 6262, 6518, 12524, 13036, 25048, 26072, 101029, 202058, 329159, 404116, 658318, 808232, 1316636, 2633272, 10203929, 20407858, 40815716, 81631432]

約数ペア:

[(1, 81631432), (2, 40815716), (4, 20407858), (8, 10203929), (31, 2633272), (62, 1316636), (101, 808232), (124, 658318), (202, 404116), (248, 329159), (404, 202058), (808, 101029), (3131, 26072), (3259, 25048), (6262, 13036), (6518, 12524)]