28888559

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 8270353

約数列:

[1, 7, 17, 31, 41, 119, 191, 217, 287, 527, 697, 1271, 1337, 3247, 3689, 4879, 5921, 7831, 8897, 21607, 22729, 41447, 54817, 100657, 133127, 151249, 242761, 704599, 931889, 1699327, 4126937, 28888559]

約数ペア:

[(1, 28888559), (7, 4126937), (17, 1699327), (31, 931889), (41, 704599), (119, 242761), (191, 151249), (217, 133127), (287, 100657), (527, 54817), (697, 41447), (1271, 22729), (1337, 21607), (3247, 8897), (3689, 7831), (4879, 5921)]