1390889305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{3739}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 1847260800

約数和(自身を除く): 456371495

約数列:

[1, 5, 13, 59, 65, 97, 295, 485, 767, 1261, 3739, 3835, 5723, 6305, 18695, 28615, 48607, 74399, 220601, 243035, 362683, 371995, 1103005, 1813415, 2867813, 4714879, 14339065, 21398297, 23574395, 106991485, 278177861, 1390889305]

約数ペア:

[(1, 1390889305), (5, 278177861), (13, 106991485), (59, 23574395), (65, 21398297), (97, 14339065), (295, 4714879), (485, 2867813), (767, 1813415), (1261, 1103005), (3739, 371995), (3835, 362683), (5723, 243035), (6305, 220601), (18695, 74399), (28615, 48607)]