15987208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 34992000

約数和(自身を除く): 19004792

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 269, 323, 391, 437, 538, 646, 782, 874, 1076, 1292, 1564, 1748, 2152, 2584, 3128, 3496, 4573, 5111, 6187, 7429, 9146, 10222, 12374, 14858, 18292, 20444, 24748, 29716, 36584, 40888, 49496, 59432, 86887, 105179, 117553, 173774, 210358, 235106, 347548, 420716, 470212, 695096, 841432, 940424, 1998401, 3996802, 7993604, 15987208]

約数ペア:

[(1, 15987208), (2, 7993604), (4, 3996802), (8, 1998401), (17, 940424), (19, 841432), (23, 695096), (34, 470212), (38, 420716), (46, 347548), (68, 235106), (76, 210358), (92, 173774), (136, 117553), (152, 105179), (184, 86887), (269, 59432), (323, 49496), (391, 40888), (437, 36584), (538, 29716), (646, 24748), (782, 20444), (874, 18292), (1076, 14858), (1292, 12374), (1564, 10222), (1748, 9146), (2152, 7429), (2584, 6187), (3128, 5111), (3496, 4573)]