161034770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1289}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 322804440

約数和(自身を除く): 161769670

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1289, 1922, 2015, 2578, 4030, 4805, 6445, 9610, 12493, 12890, 16757, 24986, 33514, 39959, 62465, 79918, 83785, 124930, 167570, 199795, 399590, 519467, 1038934, 1238729, 2477458, 2597335, 5194670, 6193645, 12387290, 16103477, 32206954, 80517385, 161034770]

約数ペア:

[(1, 161034770), (2, 80517385), (5, 32206954), (10, 16103477), (13, 12387290), (26, 6193645), (31, 5194670), (62, 2597335), (65, 2477458), (130, 1238729), (155, 1038934), (310, 519467), (403, 399590), (806, 199795), (961, 167570), (1289, 124930), (1922, 83785), (2015, 79918), (2578, 62465), (4030, 39959), (4805, 33514), (6445, 24986), (9610, 16757), (12493, 12890)]