42140735

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 64465632

約数和(自身を除く): 22324897

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 101, 131, 245, 455, 505, 637, 655, 707, 917, 1313, 1703, 3185, 3535, 4585, 4949, 6419, 6565, 8515, 9191, 11921, 13231, 24745, 32095, 45955, 59605, 64337, 66155, 83447, 92617, 172003, 321685, 417235, 463085, 648319, 860015, 1204021, 3241595, 6020105, 8428147, 42140735]

約数ペア:

[(1, 42140735), (5, 8428147), (7, 6020105), (13, 3241595), (35, 1204021), (49, 860015), (65, 648319), (91, 463085), (101, 417235), (131, 321685), (245, 172003), (455, 92617), (505, 83447), (637, 66155), (655, 64337), (707, 59605), (917, 45955), (1313, 32095), (1703, 24745), (3185, 13231), (3535, 11921), (4585, 9191), (4949, 8515), (6419, 6565)]