15213128

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^2$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 33350985

約数和(自身を除く): 18137857

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 392, 394, 788, 1379, 1576, 2758, 5516, 9653, 11032, 19306, 38612, 38809, 77224, 77618, 155236, 271663, 310472, 543326, 1086652, 1901641, 2173304, 3803282, 7606564, 15213128]

約数ペア:

[(1, 15213128), (2, 7606564), (4, 3803282), (7, 2173304), (8, 1901641), (14, 1086652), (28, 543326), (49, 310472), (56, 271663), (98, 155236), (196, 77618), (197, 77224), (392, 38809), (394, 38612), (788, 19306), (1379, 11032), (1576, 9653), (2758, 5516)]