1640256645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{10597}}^1$

素因数の和:11229

約数の個数: 32

約数和(自身を含む): 2783628288

約数和(自身を除く): 1143371643

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 607, 1821, 3035, 9105, 10319, 10597, 30957, 31791, 51595, 52985, 154785, 158955, 180149, 540447, 900745, 2702235, 6432379, 19297137, 32161895, 96485685, 109350443, 328051329, 546752215, 1640256645]

約数ペア:

[(1, 1640256645), (3, 546752215), (5, 328051329), (15, 109350443), (17, 96485685), (51, 32161895), (85, 19297137), (255, 6432379), (607, 2702235), (1821, 900745), (3035, 540447), (9105, 180149), (10319, 158955), (10597, 154785), (30957, 52985), (31791, 51595)]