81336112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1922

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 113651408

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1871, 1976, 2288, 2717, 3344, 3742, 3952, 5434, 7484, 10868, 14968, 20581, 21736, 24323, 29936, 35549, 41162, 43472, 48646, 71098, 82324, 97292, 142196, 164648, 194584, 267553, 284392, 329296, 389168, 391039, 462137, 535106, 568784, 782078, 924274, 1070212, 1564156, 1848548, 2140424, 3128312, 3697096, 4280848, 5083507, 6256624, 7394192, 10167014, 20334028, 40668056, 81336112]

約数ペア:

[(1, 81336112), (2, 40668056), (4, 20334028), (8, 10167014), (11, 7394192), (13, 6256624), (16, 5083507), (19, 4280848), (22, 3697096), (26, 3128312), (38, 2140424), (44, 1848548), (52, 1564156), (76, 1070212), (88, 924274), (104, 782078), (143, 568784), (152, 535106), (176, 462137), (208, 391039), (209, 389168), (247, 329296), (286, 284392), (304, 267553), (418, 194584), (494, 164648), (572, 142196), (836, 97292), (988, 82324), (1144, 71098), (1672, 48646), (1871, 43472), (1976, 41162), (2288, 35549), (2717, 29936), (3344, 24323), (3742, 21736), (3952, 20581), (5434, 14968), (7484, 10868)]