28990314

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 71136000

約数和(自身を除く): 42145686

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 37, 38, 57, 58, 74, 79, 87, 111, 114, 158, 171, 174, 222, 237, 261, 333, 342, 474, 522, 551, 666, 703, 711, 1073, 1102, 1406, 1422, 1501, 1653, 2109, 2146, 2291, 2923, 3002, 3219, 3306, 4218, 4503, 4582, 4959, 5846, 6327, 6438, 6873, 8769, 9006, 9657, 9918, 12654, 13509, 13746, 17538, 19314, 20387, 20619, 26307, 27018, 40774, 41238, 43529, 52614, 55537, 61161, 84767, 87058, 111074, 122322, 130587, 166611, 169534, 183483, 254301, 261174, 333222, 366966, 391761, 499833, 508602, 762903, 783522, 999666, 1525806, 1610573, 3221146, 4831719, 9663438, 14495157, 28990314]

約数ペア:

[(1, 28990314), (2, 14495157), (3, 9663438), (6, 4831719), (9, 3221146), (18, 1610573), (19, 1525806), (29, 999666), (37, 783522), (38, 762903), (57, 508602), (58, 499833), (74, 391761), (79, 366966), (87, 333222), (111, 261174), (114, 254301), (158, 183483), (171, 169534), (174, 166611), (222, 130587), (237, 122322), (261, 111074), (333, 87058), (342, 84767), (474, 61161), (522, 55537), (551, 52614), (666, 43529), (703, 41238), (711, 40774), (1073, 27018), (1102, 26307), (1406, 20619), (1422, 20387), (1501, 19314), (1653, 17538), (2109, 13746), (2146, 13509), (2291, 12654), (2923, 9918), (3002, 9657), (3219, 9006), (3306, 8769), (4218, 6873), (4503, 6438), (4582, 6327), (4959, 5846)]