1289194954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 2154889440

約数和(自身を除く): 865694486

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 589, 817, 821, 961, 1178, 1333, 1634, 1642, 1922, 2666, 15599, 18259, 25327, 25451, 31198, 35303, 36518, 41323, 50654, 50902, 70606, 82646, 483569, 670757, 785137, 788981, 967138, 1094393, 1341514, 1570274, 1577962, 2188786, 14990639, 20793467, 29981278, 33926183, 41586934, 67852366, 644597477, 1289194954]

約数ペア:

[(1, 1289194954), (2, 644597477), (19, 67852366), (31, 41586934), (38, 33926183), (43, 29981278), (62, 20793467), (86, 14990639), (589, 2188786), (817, 1577962), (821, 1570274), (961, 1341514), (1178, 1094393), (1333, 967138), (1634, 788981), (1642, 785137), (1922, 670757), (2666, 483569), (15599, 82646), (18259, 70606), (25327, 50902), (25451, 50654), (31198, 41323), (35303, 36518)]