289947752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 601603200

約数和(自身を除く): 311655448

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 197, 394, 421, 437, 788, 842, 874, 1576, 1684, 1748, 3368, 3496, 3743, 4531, 7486, 7999, 9062, 9683, 14972, 15998, 18124, 19366, 29944, 31996, 36248, 38732, 63992, 77464, 82937, 86089, 165874, 172178, 183977, 331748, 344356, 367954, 663496, 688712, 735908, 1471816, 1575803, 1907551, 3151606, 3815102, 6303212, 7630204, 12606424, 15260408, 36243469, 72486938, 144973876, 289947752]

約数ペア:

[(1, 289947752), (2, 144973876), (4, 72486938), (8, 36243469), (19, 15260408), (23, 12606424), (38, 7630204), (46, 6303212), (76, 3815102), (92, 3151606), (152, 1907551), (184, 1575803), (197, 1471816), (394, 735908), (421, 688712), (437, 663496), (788, 367954), (842, 344356), (874, 331748), (1576, 183977), (1684, 172178), (1748, 165874), (3368, 86089), (3496, 82937), (3743, 77464), (4531, 63992), (7486, 38732), (7999, 36248), (9062, 31996), (9683, 29944), (14972, 19366), (15998, 18124)]