30931978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{569}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 58112640

約数和(自身を除く): 27180662

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 353, 569, 706, 1138, 2471, 3883, 3983, 4942, 6259, 7766, 7966, 12518, 27181, 43813, 54362, 87626, 200857, 401714, 1405999, 2209427, 2811998, 4418854, 15465989, 30931978]

約数ペア:

[(1, 30931978), (2, 15465989), (7, 4418854), (11, 2811998), (14, 2209427), (22, 1405999), (77, 401714), (154, 200857), (353, 87626), (569, 54362), (706, 43813), (1138, 27181), (2471, 12518), (3883, 7966), (3983, 7766), (4942, 6259)]