28812190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 57148416

約数和(自身を除く): 28336226

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 2266, 2543, 5086, 5665, 11330, 12715, 25430, 27973, 55946, 139865, 261929, 279730, 523858, 1309645, 2619290, 2881219, 5762438, 14406095, 28812190]

約数ペア:

[(1, 28812190), (2, 14406095), (5, 5762438), (10, 2881219), (11, 2619290), (22, 1309645), (55, 523858), (103, 279730), (110, 261929), (206, 139865), (515, 55946), (1030, 27973), (1133, 25430), (2266, 12715), (2543, 11330), (5086, 5665)]