1331816248

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1251707}}^1$

素因数の和:1251739

約数の個数: 32

約数和(自身を含む): 3004099200

約数和(自身を除く): 1672282952

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1251707, 2503414, 5006828, 8761949, 10013656, 17523898, 23782433, 35047796, 47564866, 70095592, 95129732, 166477031, 190259464, 332954062, 665908124, 1331816248]

約数ペア:

[(1, 1331816248), (2, 665908124), (4, 332954062), (7, 190259464), (8, 166477031), (14, 95129732), (19, 70095592), (28, 47564866), (38, 35047796), (56, 23782433), (76, 17523898), (133, 10013656), (152, 8761949), (266, 5006828), (532, 2503414), (1064, 1251707)]