212931684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 643808256

約数和(自身を除く): 430876572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 97, 124, 126, 186, 194, 217, 252, 279, 281, 291, 372, 388, 434, 558, 562, 582, 651, 679, 843, 868, 873, 1116, 1124, 1164, 1302, 1358, 1686, 1746, 1953, 1967, 2037, 2529, 2604, 2716, 3007, 3372, 3492, 3906, 3934, 4074, 5058, 5901, 6014, 6111, 7812, 7868, 8148, 8711, 9021, 10116, 11802, 12028, 12222, 17422, 17703, 18042, 21049, 23604, 24444, 26133, 27063, 27257, 34844, 35406, 36084, 42098, 52266, 54126, 54514, 60977, 63147, 70812, 78399, 81771, 84196, 104532, 108252, 109028, 121954, 126294, 156798, 163542, 182931, 189441, 190799, 243908, 245313, 252588, 313596, 327084, 365862, 378882, 381598, 490626, 548793, 572397, 731724, 757764, 763196, 844967, 981252, 1097586, 1144794, 1689934, 1717191, 2195172, 2289588, 2534901, 3379868, 3434382, 5069802, 5914769, 6868764, 7604703, 10139604, 11829538, 15209406, 17744307, 23659076, 30418812, 35488614, 53232921, 70977228, 106465842, 212931684]

約数ペア:

[(1, 212931684), (2, 106465842), (3, 70977228), (4, 53232921), (6, 35488614), (7, 30418812), (9, 23659076), (12, 17744307), (14, 15209406), (18, 11829538), (21, 10139604), (28, 7604703), (31, 6868764), (36, 5914769), (42, 5069802), (62, 3434382), (63, 3379868), (84, 2534901), (93, 2289588), (97, 2195172), (124, 1717191), (126, 1689934), (186, 1144794), (194, 1097586), (217, 981252), (252, 844967), (279, 763196), (281, 757764), (291, 731724), (372, 572397), (388, 548793), (434, 490626), (558, 381598), (562, 378882), (582, 365862), (651, 327084), (679, 313596), (843, 252588), (868, 245313), (873, 243908), (1116, 190799), (1124, 189441), (1164, 182931), (1302, 163542), (1358, 156798), (1686, 126294), (1746, 121954), (1953, 109028), (1967, 108252), (2037, 104532), (2529, 84196), (2604, 81771), (2716, 78399), (3007, 70812), (3372, 63147), (3492, 60977), (3906, 54514), (3934, 54126), (4074, 52266), (5058, 42098), (5901, 36084), (6014, 35406), (6111, 34844), (7812, 27257), (7868, 27063), (8148, 26133), (8711, 24444), (9021, 23604), (10116, 21049), (11802, 18042), (12028, 17703), (12222, 17422)]