189746478

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 443944800

約数和(自身を除く): 254198322

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 59, 61, 87, 101, 118, 122, 174, 177, 183, 202, 261, 303, 354, 366, 522, 531, 549, 606, 909, 1062, 1098, 1711, 1769, 1818, 2929, 3422, 3538, 3599, 5133, 5307, 5858, 5959, 6161, 7198, 8787, 10266, 10614, 10797, 11918, 12322, 15399, 15921, 17574, 17877, 18483, 21594, 26361, 30798, 31842, 32391, 35754, 36966, 52722, 53631, 55449, 64782, 104371, 107262, 110898, 172811, 178669, 208742, 313113, 345622, 357338, 363499, 518433, 536007, 626226, 726998, 939339, 1036866, 1072014, 1090497, 1555299, 1608021, 1878678, 2180994, 3110598, 3216042, 3271491, 6542982, 10541471, 21082942, 31624413, 63248826, 94873239, 189746478]

約数ペア:

[(1, 189746478), (2, 94873239), (3, 63248826), (6, 31624413), (9, 21082942), (18, 10541471), (29, 6542982), (58, 3271491), (59, 3216042), (61, 3110598), (87, 2180994), (101, 1878678), (118, 1608021), (122, 1555299), (174, 1090497), (177, 1072014), (183, 1036866), (202, 939339), (261, 726998), (303, 626226), (354, 536007), (366, 518433), (522, 363499), (531, 357338), (549, 345622), (606, 313113), (909, 208742), (1062, 178669), (1098, 172811), (1711, 110898), (1769, 107262), (1818, 104371), (2929, 64782), (3422, 55449), (3538, 53631), (3599, 52722), (5133, 36966), (5307, 35754), (5858, 32391), (5959, 31842), (6161, 30798), (7198, 26361), (8787, 21594), (10266, 18483), (10614, 17877), (10797, 17574), (11918, 15921), (12322, 15399)]