861074785

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 1086357888

約数和(自身を除く): 225283103

約数列:

[1, 5, 43, 73, 83, 215, 365, 415, 661, 3139, 3305, 3569, 6059, 15695, 17845, 28423, 30295, 48253, 54863, 142115, 241265, 260537, 274315, 1302685, 2074879, 2359109, 4004999, 10374395, 11795545, 20024995, 172214957, 861074785]

約数ペア:

[(1, 861074785), (5, 172214957), (43, 20024995), (73, 11795545), (83, 10374395), (215, 4004999), (365, 2359109), (415, 2074879), (661, 1302685), (3139, 274315), (3305, 260537), (3569, 241265), (6059, 142115), (15695, 54863), (17845, 48253), (28423, 30295)]