28379309

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 5627731

約数列:

[1, 7, 23, 161, 359, 491, 2513, 3437, 8257, 11293, 57799, 79051, 176269, 1233883, 4054187, 28379309]

約数ペア:

[(1, 28379309), (7, 4054187), (23, 1233883), (161, 176269), (359, 79051), (491, 57799), (2513, 11293), (3437, 8257)]