28381836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 79994880

約数和(自身を除く): 51613044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 61, 84, 87, 116, 122, 174, 183, 191, 203, 244, 348, 366, 382, 406, 427, 573, 609, 732, 764, 812, 854, 1146, 1218, 1281, 1337, 1708, 1769, 2292, 2436, 2562, 2674, 3538, 4011, 5124, 5307, 5348, 5539, 7076, 8022, 10614, 11078, 11651, 12383, 16044, 16617, 21228, 22156, 23302, 24766, 33234, 34953, 37149, 38773, 46604, 49532, 66468, 69906, 74298, 77546, 81557, 116319, 139812, 148596, 155092, 163114, 232638, 244671, 326228, 337879, 465276, 489342, 675758, 978684, 1013637, 1351516, 2027274, 2365153, 4054548, 4730306, 7095459, 9460612, 14190918, 28381836]

約数ペア:

[(1, 28381836), (2, 14190918), (3, 9460612), (4, 7095459), (6, 4730306), (7, 4054548), (12, 2365153), (14, 2027274), (21, 1351516), (28, 1013637), (29, 978684), (42, 675758), (58, 489342), (61, 465276), (84, 337879), (87, 326228), (116, 244671), (122, 232638), (174, 163114), (183, 155092), (191, 148596), (203, 139812), (244, 116319), (348, 81557), (366, 77546), (382, 74298), (406, 69906), (427, 66468), (573, 49532), (609, 46604), (732, 38773), (764, 37149), (812, 34953), (854, 33234), (1146, 24766), (1218, 23302), (1281, 22156), (1337, 21228), (1708, 16617), (1769, 16044), (2292, 12383), (2436, 11651), (2562, 11078), (2674, 10614), (3538, 8022), (4011, 7076), (5124, 5539), (5307, 5348)]