13478738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 25697280

約数和(自身を除く): 12218542

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2389, 2821, 4778, 5642, 16723, 31057, 33446, 62114, 74059, 148118, 217399, 434798, 518413, 962767, 1036826, 1925534, 6739369, 13478738]

約数ペア:

[(1, 13478738), (2, 6739369), (7, 1925534), (13, 1036826), (14, 962767), (26, 518413), (31, 434798), (62, 217399), (91, 148118), (182, 74059), (217, 62114), (403, 33446), (434, 31057), (806, 16723), (2389, 5642), (2821, 4778)]