15780392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 31147200

約数和(自身を除く): 15366808

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 617, 1112, 1234, 2468, 3197, 4936, 6394, 12788, 14191, 25576, 28382, 56764, 85763, 113528, 171526, 343052, 686104, 1972549, 3945098, 7890196, 15780392]

約数ペア:

[(1, 15780392), (2, 7890196), (4, 3945098), (8, 1972549), (23, 686104), (46, 343052), (92, 171526), (139, 113528), (184, 85763), (278, 56764), (556, 28382), (617, 25576), (1112, 14191), (1234, 12788), (2468, 6394), (3197, 4936)]