31838872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 64537200

約数和(自身を除く): 32698328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 787, 1556, 1574, 3112, 3148, 5057, 6296, 10114, 10231, 20228, 20462, 40456, 40924, 81848, 306143, 612286, 1224572, 2449144, 3979859, 7959718, 15919436, 31838872]

約数ペア:

[(1, 31838872), (2, 15919436), (4, 7959718), (8, 3979859), (13, 2449144), (26, 1224572), (52, 612286), (104, 306143), (389, 81848), (778, 40924), (787, 40456), (1556, 20462), (1574, 20228), (3112, 10231), (3148, 10114), (5057, 6296)]