28851536

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 67162368

約数和(自身を除く): 38310832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 61, 82, 103, 112, 122, 164, 206, 244, 287, 328, 412, 427, 488, 574, 656, 721, 824, 854, 976, 1148, 1442, 1648, 1708, 2296, 2501, 2884, 3416, 4223, 4592, 5002, 5768, 6283, 6832, 8446, 10004, 11536, 12566, 16892, 17507, 20008, 25132, 29561, 33784, 35014, 40016, 43981, 50264, 59122, 67568, 70028, 87962, 100528, 118244, 140056, 175924, 236488, 257603, 280112, 351848, 472976, 515206, 703696, 1030412, 1803221, 2060824, 3606442, 4121648, 7212884, 14425768, 28851536]

約数ペア:

[(1, 28851536), (2, 14425768), (4, 7212884), (7, 4121648), (8, 3606442), (14, 2060824), (16, 1803221), (28, 1030412), (41, 703696), (56, 515206), (61, 472976), (82, 351848), (103, 280112), (112, 257603), (122, 236488), (164, 175924), (206, 140056), (244, 118244), (287, 100528), (328, 87962), (412, 70028), (427, 67568), (488, 59122), (574, 50264), (656, 43981), (721, 40016), (824, 35014), (854, 33784), (976, 29561), (1148, 25132), (1442, 20008), (1648, 17507), (1708, 16892), (2296, 12566), (2501, 11536), (2884, 10004), (3416, 8446), (4223, 6832), (4592, 6283), (5002, 5768)]