28655990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13711}}^1$

素因数の和:13748

約数の個数: 32

約数和(自身を含む): 59235840

約数和(自身を除く): 30579850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13711, 27422, 68555, 137110, 150821, 260509, 301642, 521018, 754105, 1302545, 1508210, 2605090, 2865599, 5731198, 14327995, 28655990]

約数ペア:

[(1, 28655990), (2, 14327995), (5, 5731198), (10, 2865599), (11, 2605090), (19, 1508210), (22, 1302545), (38, 754105), (55, 521018), (95, 301642), (110, 260509), (190, 150821), (209, 137110), (418, 68555), (1045, 27422), (2090, 13711)]