15905872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 32135840

約数和(自身を除く): 16229968

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 379, 488, 688, 758, 976, 1516, 2623, 3032, 5246, 6064, 10492, 16297, 20984, 23119, 32594, 41968, 46238, 65188, 92476, 130376, 184952, 260752, 369904, 994117, 1988234, 3976468, 7952936, 15905872]

約数ペア:

[(1, 15905872), (2, 7952936), (4, 3976468), (8, 1988234), (16, 994117), (43, 369904), (61, 260752), (86, 184952), (122, 130376), (172, 92476), (244, 65188), (344, 46238), (379, 41968), (488, 32594), (688, 23119), (758, 20984), (976, 16297), (1516, 10492), (2623, 6064), (3032, 5246)]