247990295446

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1\times {\mathrm{72977}}^1$

素因数の和:74208

約数の個数: 32

約数和(自身を含む): 398652541920

約数和(自身を除く): 150662246474

約数列:

[1, 2, 17, 34, 89, 178, 1123, 1513, 2246, 3026, 19091, 38182, 72977, 99947, 145954, 199894, 1240609, 1699099, 2481218, 3398198, 6494953, 12989906, 81953171, 110414201, 163906342, 220828402, 1393203907, 2786407814, 7293832219, 14587664438, 123995147723, 247990295446]

約数ペア:

[(1, 247990295446), (2, 123995147723), (17, 14587664438), (34, 7293832219), (89, 2786407814), (178, 1393203907), (1123, 220828402), (1513, 163906342), (2246, 110414201), (3026, 81953171), (19091, 12989906), (38182, 6494953), (72977, 3398198), (99947, 2481218), (145954, 1699099), (199894, 1240609)]