28909638

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22621}}^1$

素因数の和:22700

約数の個数: 24

約数和(自身を含む): 63522576

約数和(自身を除く): 34612938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22621, 45242, 67863, 135726, 203589, 407178, 1606091, 3212182, 4818273, 9636546, 14454819, 28909638]

約数ペア:

[(1, 28909638), (2, 14454819), (3, 9636546), (6, 4818273), (9, 3212182), (18, 1606091), (71, 407178), (142, 203589), (213, 135726), (426, 67863), (639, 45242), (1278, 22621)]