90650615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 35147785

約数列:

[1, 5, 11, 19, 55, 95, 209, 223, 389, 1045, 1115, 1945, 2453, 4237, 4279, 7391, 12265, 21185, 21395, 36955, 46607, 81301, 86747, 233035, 406505, 433735, 954217, 1648193, 4771085, 8240965, 18130123, 90650615]

約数ペア:

[(1, 90650615), (5, 18130123), (11, 8240965), (19, 4771085), (55, 1648193), (95, 954217), (209, 433735), (223, 406505), (389, 233035), (1045, 86747), (1115, 81301), (1945, 46607), (2453, 36955), (4237, 21395), (4279, 21185), (7391, 12265)]