100728385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 130491648

約数和(自身を除く): 29763263

約数列:

[1, 5, 23, 61, 83, 115, 173, 305, 415, 865, 1403, 1909, 3979, 5063, 7015, 9545, 10553, 14359, 19895, 25315, 52765, 71795, 116449, 242719, 330257, 582245, 875899, 1213595, 1651285, 4379495, 20145677, 100728385]

約数ペア:

[(1, 100728385), (5, 20145677), (23, 4379495), (61, 1651285), (83, 1213595), (115, 875899), (173, 582245), (305, 330257), (415, 242719), (865, 116449), (1403, 71795), (1909, 52765), (3979, 25315), (5063, 19895), (7015, 14359), (9545, 10553)]