81653858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4010

約数の個数: 32

約数和(自身を含む): 145901952

約数和(自身を除く): 64248094

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1606, 1898, 3911, 7822, 10439, 20878, 43021, 50843, 86042, 101686, 285503, 559273, 571006, 1118546, 3140533, 3711539, 6281066, 7423078, 40826929, 81653858]

約数ペア:

[(1, 81653858), (2, 40826929), (11, 7423078), (13, 6281066), (22, 3711539), (26, 3140533), (73, 1118546), (143, 571006), (146, 559273), (286, 285503), (803, 101686), (949, 86042), (1606, 50843), (1898, 43021), (3911, 20878), (7822, 10439)]