212723875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18701}}^1$

素因数の和:18736

約数の個数: 32

約数和(自身を含む): 326761344

約数和(自身を除く): 114037469

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 11375, 18701, 93505, 130907, 243113, 467525, 654535, 1215565, 1701791, 2337625, 3272675, 6077825, 8508955, 16363375, 30389125, 42544775, 212723875]

約数ペア:

[(1, 212723875), (5, 42544775), (7, 30389125), (13, 16363375), (25, 8508955), (35, 6077825), (65, 3272675), (91, 2337625), (125, 1701791), (175, 1215565), (325, 654535), (455, 467525), (875, 243113), (1625, 130907), (2275, 93505), (11375, 18701)]