642139921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 720377856

約数和(自身を除く): 78237935

約数列:

[1, 23, 31, 37, 101, 241, 713, 851, 1147, 2323, 3131, 3737, 5543, 7471, 8917, 24341, 26381, 72013, 85951, 115847, 171833, 205091, 276427, 559843, 754571, 900617, 2664481, 6357821, 17355133, 20714191, 27919127, 642139921]

約数ペア:

[(1, 642139921), (23, 27919127), (31, 20714191), (37, 17355133), (101, 6357821), (241, 2664481), (713, 900617), (851, 754571), (1147, 559843), (2323, 276427), (3131, 205091), (3737, 171833), (5543, 115847), (7471, 85951), (8917, 72013), (24341, 26381)]