42784469

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 55055616

約数和(自身を除く): 12271147

約数列:

[1, 7, 13, 37, 91, 97, 131, 259, 481, 679, 917, 1261, 1703, 3367, 3589, 4847, 8827, 11921, 12707, 25123, 33929, 46657, 63011, 88949, 165191, 326599, 441077, 470159, 1156337, 3291113, 6112067, 42784469]

約数ペア:

[(1, 42784469), (7, 6112067), (13, 3291113), (37, 1156337), (91, 470159), (97, 441077), (131, 326599), (259, 165191), (481, 88949), (679, 63011), (917, 46657), (1261, 33929), (1703, 25123), (3367, 12707), (3589, 11921), (4847, 8827)]