255179197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 345490432

約数和(自身を除く): 90311235

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 289, 313, 403, 527, 1547, 2023, 2191, 2821, 3689, 3757, 4069, 5321, 6851, 8959, 9703, 26299, 28483, 37247, 47957, 62713, 67921, 69173, 90457, 116467, 126139, 164951, 484211, 633199, 815269, 882973, 1154657, 1175941, 2144363, 2804167, 8231587, 15010541, 19629169, 36454171, 255179197]

約数ペア:

[(1, 255179197), (7, 36454171), (13, 19629169), (17, 15010541), (31, 8231587), (91, 2804167), (119, 2144363), (217, 1175941), (221, 1154657), (289, 882973), (313, 815269), (403, 633199), (527, 484211), (1547, 164951), (2023, 126139), (2191, 116467), (2821, 90457), (3689, 69173), (3757, 67921), (4069, 62713), (5321, 47957), (6851, 37247), (8959, 28483), (9703, 26299)]