28185289216

素因数分解:

$2^9\times 7^2\times {\mathrm{461}}^1\times {\mathrm{2437}}^1$

素因数の和:2930

約数の個数: 120

約数和(自身を含む): 65678944716

約数和(自身を除く): 37493655500

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 461, 512, 784, 896, 922, 1568, 1792, 1844, 2437, 3136, 3227, 3584, 3688, 4874, 6272, 6454, 7376, 9748, 12544, 12908, 14752, 17059, 19496, 22589, 25088, 25816, 29504, 34118, 38992, 45178, 51632, 59008, 68236, 77984, 90356, 103264, 118016, 119413, 136472, 155968, 180712, 206528, 236032, 238826, 272944, 311936, 361424, 413056, 477652, 545888, 623872, 722848, 826112, 955304, 1091776, 1123457, 1247744, 1445696, 1652224, 1910608, 2183552, 2246914, 2891392, 3821216, 4367104, 4493828, 5782784, 7642432, 7864199, 8734208, 8987656, 11565568, 15284864, 15728398, 17975312, 30569728, 31456796, 35950624, 55049393, 61139456, 62913592, 71901248, 110098786, 125827184, 143802496, 220197572, 251654368, 287604992, 440395144, 503308736, 575209984, 880790288, 1006617472, 1761580576, 2013234944, 3523161152, 4026469888, 7046322304, 14092644608, 28185289216]

約数ペア:

[(1, 28185289216), (2, 14092644608), (4, 7046322304), (7, 4026469888), (8, 3523161152), (14, 2013234944), (16, 1761580576), (28, 1006617472), (32, 880790288), (49, 575209984), (56, 503308736), (64, 440395144), (98, 287604992), (112, 251654368), (128, 220197572), (196, 143802496), (224, 125827184), (256, 110098786), (392, 71901248), (448, 62913592), (461, 61139456), (512, 55049393), (784, 35950624), (896, 31456796), (922, 30569728), (1568, 17975312), (1792, 15728398), (1844, 15284864), (2437, 11565568), (3136, 8987656), (3227, 8734208), (3584, 7864199), (3688, 7642432), (4874, 5782784), (6272, 4493828), (6454, 4367104), (7376, 3821216), (9748, 2891392), (12544, 2246914), (12908, 2183552), (14752, 1910608), (17059, 1652224), (19496, 1445696), (22589, 1247744), (25088, 1123457), (25816, 1091776), (29504, 955304), (34118, 826112), (38992, 722848), (45178, 623872), (51632, 545888), (59008, 477652), (68236, 413056), (77984, 361424), (90356, 311936), (103264, 272944), (118016, 238826), (119413, 236032), (136472, 206528), (155968, 180712)]