28577790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1021}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 74614176

約数和(自身を除く): 46036386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1021, 1555, 1866, 2042, 2799, 3063, 3110, 4665, 5105, 5598, 6126, 9189, 9330, 10210, 13995, 15315, 18378, 27990, 30630, 45945, 91890, 317531, 635062, 952593, 1587655, 1905186, 2857779, 3175310, 4762965, 5715558, 9525930, 14288895, 28577790]

約数ペア:

[(1, 28577790), (2, 14288895), (3, 9525930), (5, 5715558), (6, 4762965), (9, 3175310), (10, 2857779), (15, 1905186), (18, 1587655), (30, 952593), (45, 635062), (90, 317531), (311, 91890), (622, 45945), (933, 30630), (1021, 27990), (1555, 18378), (1866, 15315), (2042, 13995), (2799, 10210), (3063, 9330), (3110, 9189), (4665, 6126), (5105, 5598)]