278625996

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^2$

素因数の和:324

約数の個数: 108

約数和(自身を含む): 793126152

約数和(自身を除く): 514500156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 131, 132, 164, 198, 246, 262, 369, 393, 396, 451, 492, 524, 738, 786, 902, 1179, 1353, 1441, 1476, 1572, 1804, 2358, 2706, 2882, 4059, 4323, 4716, 5371, 5412, 5764, 8118, 8646, 10742, 12969, 16113, 16236, 17161, 17292, 21484, 25938, 32226, 34322, 48339, 51483, 51876, 59081, 64452, 68644, 96678, 102966, 118162, 154449, 177243, 188771, 193356, 205932, 236324, 308898, 354486, 377542, 531729, 566313, 617796, 703601, 708972, 755084, 1063458, 1132626, 1407202, 1698939, 2110803, 2126916, 2265252, 2814404, 3397878, 4221606, 6332409, 6795756, 7739611, 8443212, 12664818, 15479222, 23218833, 25329636, 30958444, 46437666, 69656499, 92875332, 139312998, 278625996]

約数ペア:

[(1, 278625996), (2, 139312998), (3, 92875332), (4, 69656499), (6, 46437666), (9, 30958444), (11, 25329636), (12, 23218833), (18, 15479222), (22, 12664818), (33, 8443212), (36, 7739611), (41, 6795756), (44, 6332409), (66, 4221606), (82, 3397878), (99, 2814404), (123, 2265252), (131, 2126916), (132, 2110803), (164, 1698939), (198, 1407202), (246, 1132626), (262, 1063458), (369, 755084), (393, 708972), (396, 703601), (451, 617796), (492, 566313), (524, 531729), (738, 377542), (786, 354486), (902, 308898), (1179, 236324), (1353, 205932), (1441, 193356), (1476, 188771), (1572, 177243), (1804, 154449), (2358, 118162), (2706, 102966), (2882, 96678), (4059, 68644), (4323, 64452), (4716, 59081), (5371, 51876), (5412, 51483), (5764, 48339), (8118, 34322), (8646, 32226), (10742, 25938), (12969, 21484), (16113, 17292), (16236, 17161)]