25561081

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 35417088

約数和(自身を除く): 9856007

約数列:

[1, 7, 13, 17, 31, 41, 91, 119, 169, 217, 221, 287, 403, 527, 533, 697, 1183, 1271, 1547, 2821, 2873, 3689, 3731, 4879, 5239, 6851, 6929, 8897, 9061, 16523, 20111, 21607, 36673, 47957, 48503, 63427, 89063, 115661, 117793, 151249, 214799, 280891, 623441, 824551, 1503593, 1966237, 3651583, 25561081]

約数ペア:

[(1, 25561081), (7, 3651583), (13, 1966237), (17, 1503593), (31, 824551), (41, 623441), (91, 280891), (119, 214799), (169, 151249), (217, 117793), (221, 115661), (287, 89063), (403, 63427), (527, 48503), (533, 47957), (697, 36673), (1183, 21607), (1271, 20111), (1547, 16523), (2821, 9061), (2873, 8897), (3689, 6929), (3731, 6851), (4879, 5239)]