207820028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{20287}}^1$

素因数の和:20501

約数の個数: 24

約数和(自身を含む): 393668352

約数和(自身を除く): 185848324

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 20287, 40574, 81148, 263731, 527462, 1054924, 3996539, 7993078, 15986156, 51955007, 103910014, 207820028]

約数ペア:

[(1, 207820028), (2, 103910014), (4, 51955007), (13, 15986156), (26, 7993078), (52, 3996539), (197, 1054924), (394, 527462), (788, 263731), (2561, 81148), (5122, 40574), (10244, 20287)]