2811545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 4064256

約数和(自身を除く): 1252711

約数列:

[1, 5, 11, 17, 31, 55, 85, 97, 155, 187, 341, 485, 527, 935, 1067, 1649, 1705, 2635, 3007, 5335, 5797, 8245, 15035, 18139, 28985, 33077, 51119, 90695, 165385, 255595, 562309, 2811545]

約数ペア:

[(1, 2811545), (5, 562309), (11, 255595), (17, 165385), (31, 90695), (55, 51119), (85, 33077), (97, 28985), (155, 18139), (187, 15035), (341, 8245), (485, 5797), (527, 5335), (935, 3007), (1067, 2635), (1649, 1705)]