291212488

素因数分解:

$2^3\times 7^4\times {\mathrm{15161}}^1$

素因数の和:15195

約数の個数: 40

約数和(自身を含む): 637031430

約数和(自身を除く): 345818942

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 15161, 19208, 30322, 60644, 106127, 121288, 212254, 424508, 742889, 849016, 1485778, 2971556, 5200223, 5943112, 10400446, 20800892, 36401561, 41601784, 72803122, 145606244, 291212488]

約数ペア:

[(1, 291212488), (2, 145606244), (4, 72803122), (7, 41601784), (8, 36401561), (14, 20800892), (28, 10400446), (49, 5943112), (56, 5200223), (98, 2971556), (196, 1485778), (343, 849016), (392, 742889), (686, 424508), (1372, 212254), (2401, 121288), (2744, 106127), (4802, 60644), (9604, 30322), (15161, 19208)]