90191647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 118564992

約数和(自身を除く): 28373345

約数列:

[1, 7, 13, 17, 91, 119, 173, 221, 337, 1211, 1547, 2249, 2359, 2941, 4381, 5729, 15743, 20587, 30667, 38233, 40103, 58301, 74477, 267631, 408107, 521339, 757913, 991117, 5305391, 6937819, 12884521, 90191647]

約数ペア:

[(1, 90191647), (7, 12884521), (13, 6937819), (17, 5305391), (91, 991117), (119, 757913), (173, 521339), (221, 408107), (337, 267631), (1211, 74477), (1547, 58301), (2249, 40103), (2359, 38233), (2941, 30667), (4381, 20587), (5729, 15743)]