987831278

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8269}}^1$

素因数の和:8361

約数の個数: 48

約数和(自身を含む): 1832764320

約数和(自身を除く): 844933042

約数列:

[1, 2, 7, 14, 23, 46, 49, 53, 98, 106, 161, 322, 371, 742, 1127, 1219, 2254, 2438, 2597, 5194, 8269, 8533, 16538, 17066, 57883, 59731, 115766, 119462, 190187, 380374, 405181, 438257, 810362, 876514, 1331309, 2662618, 3067799, 6135598, 9319163, 10079911, 18638326, 20159822, 21474593, 42949186, 70559377, 141118754, 493915639, 987831278]

約数ペア:

[(1, 987831278), (2, 493915639), (7, 141118754), (14, 70559377), (23, 42949186), (46, 21474593), (49, 20159822), (53, 18638326), (98, 10079911), (106, 9319163), (161, 6135598), (322, 3067799), (371, 2662618), (742, 1331309), (1127, 876514), (1219, 810362), (2254, 438257), (2438, 405181), (2597, 380374), (5194, 190187), (8269, 119462), (8533, 115766), (16538, 59731), (17066, 57883)]