28774404256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{37409}}^1$

素因数の和:37518

約数の個数: 72

約数和(自身を含む): 62460708660

約数和(自身を除く): 33686304404

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 1849, 2236, 3698, 4472, 7396, 8944, 14792, 17888, 24037, 29584, 37409, 48074, 59168, 74818, 96148, 149636, 192296, 299272, 384592, 486317, 598544, 769184, 972634, 1197088, 1608587, 1945268, 3217174, 3890536, 6434348, 7781072, 12868696, 15562144, 20911631, 25737392, 41823262, 51474784, 69169241, 83646524, 138338482, 167293048, 276676964, 334586096, 553353928, 669172192, 899200133, 1106707856, 1798400266, 2213415712, 3596800532, 7193601064, 14387202128, 28774404256]

約数ペア:

[(1, 28774404256), (2, 14387202128), (4, 7193601064), (8, 3596800532), (13, 2213415712), (16, 1798400266), (26, 1106707856), (32, 899200133), (43, 669172192), (52, 553353928), (86, 334586096), (104, 276676964), (172, 167293048), (208, 138338482), (344, 83646524), (416, 69169241), (559, 51474784), (688, 41823262), (1118, 25737392), (1376, 20911631), (1849, 15562144), (2236, 12868696), (3698, 7781072), (4472, 6434348), (7396, 3890536), (8944, 3217174), (14792, 1945268), (17888, 1608587), (24037, 1197088), (29584, 972634), (37409, 769184), (48074, 598544), (59168, 486317), (74818, 384592), (96148, 299272), (149636, 192296)]