197901275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 290793888

約数和(自身を除く): 92892613

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 197, 275, 281, 325, 715, 985, 1405, 2167, 2561, 3091, 3575, 3653, 4925, 7025, 10835, 12805, 15455, 18265, 28171, 40183, 54175, 55357, 64025, 77275, 91325, 140855, 200915, 276785, 608927, 704275, 719641, 1004575, 1383925, 3044635, 3598205, 7916051, 15223175, 17991025, 39580255, 197901275]

約数ペア:

[(1, 197901275), (5, 39580255), (11, 17991025), (13, 15223175), (25, 7916051), (55, 3598205), (65, 3044635), (143, 1383925), (197, 1004575), (275, 719641), (281, 704275), (325, 608927), (715, 276785), (985, 200915), (1405, 140855), (2167, 91325), (2561, 77275), (3091, 64025), (3575, 55357), (3653, 54175), (4925, 40183), (7025, 28171), (10835, 18265), (12805, 15455)]