28825132

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 63948528

約数和(自身を除く): 35123396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 49, 68, 82, 98, 119, 164, 196, 211, 238, 287, 422, 476, 574, 697, 833, 844, 1148, 1394, 1477, 1666, 2009, 2788, 2954, 3332, 3587, 4018, 4879, 5908, 7174, 8036, 8651, 9758, 10339, 14348, 17302, 19516, 20678, 25109, 34153, 34604, 41356, 50218, 60557, 68306, 100436, 121114, 136612, 147067, 175763, 242228, 294134, 351526, 423899, 588268, 703052, 847798, 1029469, 1695596, 2058938, 4117876, 7206283, 14412566, 28825132]

約数ペア:

[(1, 28825132), (2, 14412566), (4, 7206283), (7, 4117876), (14, 2058938), (17, 1695596), (28, 1029469), (34, 847798), (41, 703052), (49, 588268), (68, 423899), (82, 351526), (98, 294134), (119, 242228), (164, 175763), (196, 147067), (211, 136612), (238, 121114), (287, 100436), (422, 68306), (476, 60557), (574, 50218), (697, 41356), (833, 34604), (844, 34153), (1148, 25109), (1394, 20678), (1477, 19516), (1666, 17302), (2009, 14348), (2788, 10339), (2954, 9758), (3332, 8651), (3587, 8036), (4018, 7174), (4879, 5908)]