161738830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4073}}^1$

素因数の和:4129

約数の個数: 48

約数和(自身を含む): 335273904

約数和(自身を除く): 173535074

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 1045, 1805, 2090, 3610, 3971, 4073, 7942, 8146, 19855, 20365, 39710, 40730, 44803, 77387, 89606, 154774, 224015, 386935, 448030, 773870, 851257, 1470353, 1702514, 2940706, 4256285, 7351765, 8512570, 14703530, 16173883, 32347766, 80869415, 161738830]

約数ペア:

[(1, 161738830), (2, 80869415), (5, 32347766), (10, 16173883), (11, 14703530), (19, 8512570), (22, 7351765), (38, 4256285), (55, 2940706), (95, 1702514), (110, 1470353), (190, 851257), (209, 773870), (361, 448030), (418, 386935), (722, 224015), (1045, 154774), (1805, 89606), (2090, 77387), (3610, 44803), (3971, 40730), (4073, 39710), (7942, 20365), (8146, 19855)]