398274422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 770187264

約数和(自身を除く): 371912842

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 182, 217, 403, 434, 511, 806, 949, 967, 1022, 1898, 1934, 2263, 2821, 4526, 5642, 6643, 6769, 12571, 13286, 13538, 15841, 25142, 29419, 29977, 31682, 58838, 59954, 70591, 87997, 141182, 175994, 205933, 209839, 389701, 411866, 419678, 494137, 779402, 917683, 988274, 1835366, 2188321, 2727907, 4376642, 5455814, 6423781, 12847562, 15318247, 28448173, 30636494, 56896346, 199137211, 398274422]

約数ペア:

[(1, 398274422), (2, 199137211), (7, 56896346), (13, 30636494), (14, 28448173), (26, 15318247), (31, 12847562), (62, 6423781), (73, 5455814), (91, 4376642), (146, 2727907), (182, 2188321), (217, 1835366), (403, 988274), (434, 917683), (511, 779402), (806, 494137), (949, 419678), (967, 411866), (1022, 389701), (1898, 209839), (1934, 205933), (2263, 175994), (2821, 141182), (4526, 87997), (5642, 70591), (6643, 59954), (6769, 58838), (12571, 31682), (13286, 29977), (13538, 29419), (15841, 25142)]