89445445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 116640000

約数和(自身を除く): 27194555

約数列:

[1, 5, 19, 71, 89, 95, 149, 355, 445, 745, 1349, 1691, 2831, 6319, 6745, 8455, 10579, 13261, 14155, 31595, 52895, 66305, 120061, 201001, 251959, 600305, 941531, 1005005, 1259795, 4707655, 17889089, 89445445]

約数ペア:

[(1, 89445445), (5, 17889089), (19, 4707655), (71, 1259795), (89, 1005005), (95, 941531), (149, 600305), (355, 251959), (445, 201001), (745, 120061), (1349, 66305), (1691, 52895), (2831, 31595), (6319, 14155), (6745, 13261), (8455, 10579)]