4445555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 6082560

約数和(自身を除く): 1637005

約数列:

[1, 5, 23, 29, 31, 43, 115, 145, 155, 215, 667, 713, 899, 989, 1247, 1333, 3335, 3565, 4495, 4945, 6235, 6665, 20677, 28681, 30659, 38657, 103385, 143405, 153295, 193285, 889111, 4445555]

約数ペア:

[(1, 4445555), (5, 889111), (23, 193285), (29, 153295), (31, 143405), (43, 103385), (115, 38657), (145, 30659), (155, 28681), (215, 20677), (667, 6665), (713, 6235), (899, 4945), (989, 4495), (1247, 3565), (1333, 3335)]