16781024

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 37353960

約数和(自身を除く): 20572936

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 107, 116, 169, 208, 214, 232, 338, 377, 416, 428, 464, 676, 754, 856, 928, 1352, 1391, 1508, 1712, 2704, 2782, 3016, 3103, 3424, 4901, 5408, 5564, 6032, 6206, 9802, 11128, 12064, 12412, 18083, 19604, 22256, 24824, 36166, 39208, 40339, 44512, 49648, 72332, 78416, 80678, 99296, 144664, 156832, 161356, 289328, 322712, 524407, 578656, 645424, 1048814, 1290848, 2097628, 4195256, 8390512, 16781024]

約数ペア:

[(1, 16781024), (2, 8390512), (4, 4195256), (8, 2097628), (13, 1290848), (16, 1048814), (26, 645424), (29, 578656), (32, 524407), (52, 322712), (58, 289328), (104, 161356), (107, 156832), (116, 144664), (169, 99296), (208, 80678), (214, 78416), (232, 72332), (338, 49648), (377, 44512), (416, 40339), (428, 39208), (464, 36166), (676, 24824), (754, 22256), (856, 19604), (928, 18083), (1352, 12412), (1391, 12064), (1508, 11128), (1712, 9802), (2704, 6206), (2782, 6032), (3016, 5564), (3103, 5408), (3424, 4901)]