291213338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 477966720

約数和(自身を除く): 186753382

約数列:

[1, 2, 13, 26, 109, 211, 218, 422, 487, 974, 1417, 2743, 2834, 5486, 6331, 12662, 22999, 45998, 53083, 102757, 106166, 205514, 298987, 597974, 690079, 1335841, 1380158, 2671682, 11200513, 22401026, 145606669, 291213338]

約数ペア:

[(1, 291213338), (2, 145606669), (13, 22401026), (26, 11200513), (109, 2671682), (211, 1380158), (218, 1335841), (422, 690079), (487, 597974), (974, 298987), (1417, 205514), (2743, 106166), (2834, 102757), (5486, 53083), (6331, 45998), (12662, 22999)]