42689885

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 61205760

約数和(自身を除く): 18515875

約数列:

[1, 5, 7, 29, 35, 137, 145, 203, 307, 685, 959, 1015, 1535, 2149, 3973, 4795, 8903, 10745, 19865, 27811, 42059, 44515, 62321, 139055, 210295, 294413, 311605, 1219711, 1472065, 6098555, 8537977, 42689885]

約数ペア:

[(1, 42689885), (5, 8537977), (7, 6098555), (29, 1472065), (35, 1219711), (137, 311605), (145, 294413), (203, 210295), (307, 139055), (685, 62321), (959, 44515), (1015, 42059), (1535, 27811), (2149, 19865), (3973, 10745), (4795, 8903)]