38274145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 58777488

約数和(自身を除く): 20503343

約数列:

[1, 5, 7, 13, 35, 49, 61, 65, 91, 197, 245, 305, 427, 455, 637, 793, 985, 1379, 2135, 2561, 2989, 3185, 3965, 5551, 6895, 9653, 12017, 12805, 14945, 17927, 27755, 38857, 48265, 60085, 84119, 89635, 125489, 156221, 194285, 420595, 588833, 627445, 781105, 1093547, 2944165, 5467735, 7654829, 38274145]

約数ペア:

[(1, 38274145), (5, 7654829), (7, 5467735), (13, 2944165), (35, 1093547), (49, 781105), (61, 627445), (65, 588833), (91, 420595), (197, 194285), (245, 156221), (305, 125489), (427, 89635), (455, 84119), (637, 60085), (793, 48265), (985, 38857), (1379, 27755), (2135, 17927), (2561, 14945), (2989, 12805), (3185, 12017), (3965, 9653), (5551, 6895)]