26387998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 25261922

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 494, 587, 1174, 1183, 1729, 2366, 3211, 3458, 4109, 6422, 7631, 8218, 11153, 15262, 22306, 22477, 44954, 53417, 78071, 99203, 106834, 144989, 156142, 198406, 289978, 694421, 1014923, 1388842, 1884857, 2029846, 3769714, 13193999, 26387998]

約数ペア:

[(1, 26387998), (2, 13193999), (7, 3769714), (13, 2029846), (14, 1884857), (19, 1388842), (26, 1014923), (38, 694421), (91, 289978), (133, 198406), (169, 156142), (182, 144989), (247, 106834), (266, 99203), (338, 78071), (494, 53417), (587, 44954), (1174, 22477), (1183, 22306), (1729, 15262), (2366, 11153), (3211, 8218), (3458, 7631), (4109, 6422)]