209989728

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{56087}}^1$

素因数の和:56116

約数の個数: 72

約数和(自身を含む): 643105008

約数和(自身を除く): 433115280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 56087, 112174, 168261, 224348, 336522, 448696, 504783, 673044, 729131, 897392, 1009566, 1346088, 1458262, 1794784, 2019132, 2187393, 2692176, 2916524, 4038264, 4374786, 5384352, 5833048, 6562179, 8076528, 8749572, 11666096, 13124358, 16153056, 17499144, 23332192, 26248716, 34998288, 52497432, 69996576, 104994864, 209989728]

約数ペア:

[(1, 209989728), (2, 104994864), (3, 69996576), (4, 52497432), (6, 34998288), (8, 26248716), (9, 23332192), (12, 17499144), (13, 16153056), (16, 13124358), (18, 11666096), (24, 8749572), (26, 8076528), (32, 6562179), (36, 5833048), (39, 5384352), (48, 4374786), (52, 4038264), (72, 2916524), (78, 2692176), (96, 2187393), (104, 2019132), (117, 1794784), (144, 1458262), (156, 1346088), (208, 1009566), (234, 897392), (288, 729131), (312, 673044), (416, 504783), (468, 448696), (624, 336522), (936, 224348), (1248, 168261), (1872, 112174), (3744, 56087)]