1988393568

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3079}}^1$

素因数の和:3161

約数の個数: 144

約数和(自身を含む): 6165815040

約数和(自身を除く): 4177421472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 961, 992, 1302, 1488, 1736, 1922, 2604, 2883, 2976, 3079, 3472, 3844, 5208, 5766, 6158, 6727, 6944, 7688, 9237, 10416, 11532, 12316, 13454, 15376, 18474, 20181, 20832, 21553, 23064, 24632, 26908, 30752, 36948, 40362, 43106, 46128, 49264, 53816, 64659, 73896, 80724, 86212, 92256, 95449, 98528, 107632, 129318, 147792, 161448, 172424, 190898, 215264, 258636, 286347, 295584, 322896, 344848, 381796, 517272, 572694, 645792, 668143, 689696, 763592, 1034544, 1145388, 1336286, 1527184, 2004429, 2069088, 2290776, 2672572, 2958919, 3054368, 4008858, 4581552, 5345144, 5917838, 8017716, 8876757, 9163104, 10690288, 11835676, 16035432, 17753514, 20712433, 21380576, 23671352, 32070864, 35507028, 41424866, 47342704, 62137299, 64141728, 71014056, 82849732, 94685408, 124274598, 142028112, 165699464, 248549196, 284056224, 331398928, 497098392, 662797856, 994196784, 1988393568]

約数ペア:

[(1, 1988393568), (2, 994196784), (3, 662797856), (4, 497098392), (6, 331398928), (7, 284056224), (8, 248549196), (12, 165699464), (14, 142028112), (16, 124274598), (21, 94685408), (24, 82849732), (28, 71014056), (31, 64141728), (32, 62137299), (42, 47342704), (48, 41424866), (56, 35507028), (62, 32070864), (84, 23671352), (93, 21380576), (96, 20712433), (112, 17753514), (124, 16035432), (168, 11835676), (186, 10690288), (217, 9163104), (224, 8876757), (248, 8017716), (336, 5917838), (372, 5345144), (434, 4581552), (496, 4008858), (651, 3054368), (672, 2958919), (744, 2672572), (868, 2290776), (961, 2069088), (992, 2004429), (1302, 1527184), (1488, 1336286), (1736, 1145388), (1922, 1034544), (2604, 763592), (2883, 689696), (2976, 668143), (3079, 645792), (3472, 572694), (3844, 517272), (5208, 381796), (5766, 344848), (6158, 322896), (6727, 295584), (6944, 286347), (7688, 258636), (9237, 215264), (10416, 190898), (11532, 172424), (12316, 161448), (13454, 147792), (15376, 129318), (18474, 107632), (20181, 98528), (20832, 95449), (21553, 92256), (23064, 86212), (24632, 80724), (26908, 73896), (30752, 64659), (36948, 53816), (40362, 49264), (43106, 46128)]