25816856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 30066664

約数列:

[1, 2, 4, 8, 13, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 251, 299, 344, 502, 559, 598, 989, 1004, 1118, 1196, 1978, 2008, 2236, 2392, 3263, 3956, 4472, 5773, 6526, 7912, 10793, 11546, 12857, 13052, 21586, 23092, 25714, 26104, 43172, 46184, 51428, 75049, 86344, 102856, 140309, 150098, 248239, 280618, 300196, 496478, 561236, 600392, 992956, 1122472, 1985912, 3227107, 6454214, 12908428, 25816856]

約数ペア:

[(1, 25816856), (2, 12908428), (4, 6454214), (8, 3227107), (13, 1985912), (23, 1122472), (26, 992956), (43, 600392), (46, 561236), (52, 496478), (86, 300196), (92, 280618), (104, 248239), (172, 150098), (184, 140309), (251, 102856), (299, 86344), (344, 75049), (502, 51428), (559, 46184), (598, 43172), (989, 26104), (1004, 25714), (1118, 23092), (1196, 21586), (1978, 13052), (2008, 12857), (2236, 11546), (2392, 10793), (3263, 7912), (3956, 6526), (4472, 5773)]