201523585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 261854208

約数和(自身を除く): 60330623

約数列:

[1, 5, 23, 43, 83, 115, 215, 415, 491, 989, 1909, 2455, 3569, 4945, 9545, 11293, 17845, 21113, 40753, 56465, 82087, 105565, 203765, 410435, 485599, 937319, 1752379, 2427995, 4686595, 8761895, 40304717, 201523585]

約数ペア:

[(1, 201523585), (5, 40304717), (23, 8761895), (43, 4686595), (83, 2427995), (115, 1752379), (215, 937319), (415, 485599), (491, 410435), (989, 203765), (1909, 105565), (2455, 82087), (3569, 56465), (4945, 40753), (9545, 21113), (11293, 17845)]