42278938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 71245440

約数和(自身を除く): 28966502

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 481, 619, 923, 962, 1238, 1846, 2627, 5254, 8047, 16094, 22903, 34151, 43949, 45806, 68302, 87898, 297739, 571337, 595478, 1142674, 1626113, 3252226, 21139469, 42278938]

約数ペア:

[(1, 42278938), (2, 21139469), (13, 3252226), (26, 1626113), (37, 1142674), (71, 595478), (74, 571337), (142, 297739), (481, 87898), (619, 68302), (923, 45806), (962, 43949), (1238, 34151), (1846, 22903), (2627, 16094), (5254, 8047)]