261478181374

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1\times {\mathrm{64679}}^1$

素因数の和:65448

約数の個数: 32

約数和(自身を含む): 415773388800

約数和(自身を除く): 154295207426

約数列:

[1, 2, 19, 38, 191, 382, 557, 1114, 3629, 7258, 10583, 21166, 64679, 106387, 129358, 212774, 1228901, 2021353, 2457802, 4042706, 12353689, 24707378, 36026203, 72052406, 234720091, 469440182, 684497857, 1368995714, 6881004773, 13762009546, 130739090687, 261478181374]

約数ペア:

[(1, 261478181374), (2, 130739090687), (19, 13762009546), (38, 6881004773), (191, 1368995714), (382, 684497857), (557, 469440182), (1114, 234720091), (3629, 72052406), (7258, 36026203), (10583, 24707378), (21166, 12353689), (64679, 4042706), (106387, 2457802), (129358, 2021353), (212774, 1228901)]