27898948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 33387452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 239, 308, 379, 478, 758, 956, 1516, 1673, 2629, 2653, 3346, 4169, 5258, 5306, 6692, 8338, 10516, 10612, 16676, 18403, 29183, 36806, 58366, 73612, 90581, 116732, 181162, 362324, 634067, 996391, 1268134, 1992782, 2536268, 3985564, 6974737, 13949474, 27898948]

約数ペア:

[(1, 27898948), (2, 13949474), (4, 6974737), (7, 3985564), (11, 2536268), (14, 1992782), (22, 1268134), (28, 996391), (44, 634067), (77, 362324), (154, 181162), (239, 116732), (308, 90581), (379, 73612), (478, 58366), (758, 36806), (956, 29183), (1516, 18403), (1673, 16676), (2629, 10612), (2653, 10516), (3346, 8338), (4169, 6692), (5258, 5306)]