28431368

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 66792600

約数和(自身を除く): 38361232

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 41, 49, 56, 58, 61, 82, 98, 116, 122, 164, 196, 203, 232, 244, 287, 328, 392, 406, 427, 488, 574, 812, 854, 1148, 1189, 1421, 1624, 1708, 1769, 2009, 2296, 2378, 2501, 2842, 2989, 3416, 3538, 4018, 4756, 5002, 5684, 5978, 7076, 8036, 8323, 9512, 10004, 11368, 11956, 12383, 14152, 16072, 16646, 17507, 20008, 23912, 24766, 33292, 35014, 49532, 58261, 66584, 70028, 72529, 86681, 99064, 116522, 122549, 140056, 145058, 173362, 233044, 245098, 290116, 346724, 466088, 490196, 507703, 580232, 693448, 980392, 1015406, 2030812, 3553921, 4061624, 7107842, 14215684, 28431368]

約数ペア:

[(1, 28431368), (2, 14215684), (4, 7107842), (7, 4061624), (8, 3553921), (14, 2030812), (28, 1015406), (29, 980392), (41, 693448), (49, 580232), (56, 507703), (58, 490196), (61, 466088), (82, 346724), (98, 290116), (116, 245098), (122, 233044), (164, 173362), (196, 145058), (203, 140056), (232, 122549), (244, 116522), (287, 99064), (328, 86681), (392, 72529), (406, 70028), (427, 66584), (488, 58261), (574, 49532), (812, 35014), (854, 33292), (1148, 24766), (1189, 23912), (1421, 20008), (1624, 17507), (1708, 16646), (1769, 16072), (2009, 14152), (2296, 12383), (2378, 11956), (2501, 11368), (2842, 10004), (2989, 9512), (3416, 8323), (3538, 8036), (4018, 7076), (4756, 5978), (5002, 5684)]