898991770

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{7481}}^1$

素因数の和:7746

約数の個数: 32

約数和(自身を含む): 1653282576

約数和(自身を除く): 754290806

約数列:

[1, 2, 5, 10, 61, 122, 197, 305, 394, 610, 985, 1970, 7481, 12017, 14962, 24034, 37405, 60085, 74810, 120170, 456341, 912682, 1473757, 2281705, 2947514, 4563410, 7368785, 14737570, 89899177, 179798354, 449495885, 898991770]

約数ペア:

[(1, 898991770), (2, 449495885), (5, 179798354), (10, 89899177), (61, 14737570), (122, 7368785), (197, 4563410), (305, 2947514), (394, 2281705), (610, 1473757), (985, 912682), (1970, 456341), (7481, 120170), (12017, 74810), (14962, 60085), (24034, 37405)]