72121784

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6673}}^1$

素因数の和:6879

約数の個数: 32

約数和(自身を含む): 155370720

約数和(自身を除く): 83248936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 6673, 10808, 13346, 26692, 46711, 53384, 93422, 186844, 373688, 1287889, 2575778, 5151556, 9015223, 10303112, 18030446, 36060892, 72121784]

約数ペア:

[(1, 72121784), (2, 36060892), (4, 18030446), (7, 10303112), (8, 9015223), (14, 5151556), (28, 2575778), (56, 1287889), (193, 373688), (386, 186844), (772, 93422), (1351, 53384), (1544, 46711), (2702, 26692), (5404, 13346), (6673, 10808)]