28937818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 57802752

約数和(自身を除く): 28864934

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 46, 62, 91, 161, 182, 217, 223, 299, 322, 403, 434, 446, 598, 713, 806, 1426, 1561, 2093, 2821, 2899, 3122, 4186, 4991, 5129, 5642, 5798, 6913, 9269, 9982, 10258, 13826, 18538, 20293, 35903, 40586, 48391, 64883, 66677, 71806, 89869, 96782, 129766, 133354, 158999, 179738, 317998, 466739, 629083, 933478, 1112993, 1258166, 2066987, 2225986, 4133974, 14468909, 28937818]

約数ペア:

[(1, 28937818), (2, 14468909), (7, 4133974), (13, 2225986), (14, 2066987), (23, 1258166), (26, 1112993), (31, 933478), (46, 629083), (62, 466739), (91, 317998), (161, 179738), (182, 158999), (217, 133354), (223, 129766), (299, 96782), (322, 89869), (403, 71806), (434, 66677), (446, 64883), (598, 48391), (713, 40586), (806, 35903), (1426, 20293), (1561, 18538), (2093, 13826), (2821, 10258), (2899, 9982), (3122, 9269), (4186, 6913), (4991, 5798), (5129, 5642)]