172889735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 228925440

約数和(自身を除く): 56035705

約数列:

[1, 5, 23, 29, 47, 115, 145, 235, 667, 1081, 1103, 1363, 3335, 5405, 5515, 6815, 25369, 31349, 31987, 51841, 126845, 156745, 159935, 259205, 735701, 1192343, 1503389, 3678505, 5961715, 7516945, 34577947, 172889735]

約数ペア:

[(1, 172889735), (5, 34577947), (23, 7516945), (29, 5961715), (47, 3678505), (115, 1503389), (145, 1192343), (235, 735701), (667, 259205), (1081, 159935), (1103, 156745), (1363, 126845), (3335, 51841), (5405, 31987), (5515, 31349), (6815, 25369)]