397826916

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{1723}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 945358848

約数和(自身を除く): 547531932

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 271, 284, 426, 542, 813, 852, 1084, 1626, 1723, 3252, 3446, 5169, 6892, 10338, 19241, 20676, 38482, 57723, 76964, 115446, 122333, 230892, 244666, 366999, 466933, 489332, 733998, 933866, 1400799, 1467996, 1867732, 2801598, 5603196, 33152243, 66304486, 99456729, 132608972, 198913458, 397826916]

約数ペア:

[(1, 397826916), (2, 198913458), (3, 132608972), (4, 99456729), (6, 66304486), (12, 33152243), (71, 5603196), (142, 2801598), (213, 1867732), (271, 1467996), (284, 1400799), (426, 933866), (542, 733998), (813, 489332), (852, 466933), (1084, 366999), (1626, 244666), (1723, 230892), (3252, 122333), (3446, 115446), (5169, 76964), (6892, 57723), (10338, 38482), (19241, 20676)]