66643430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 140332176

約数和(自身を除く): 73688746

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 277, 490, 491, 554, 982, 1385, 1939, 2455, 2770, 3437, 3878, 4910, 6874, 9695, 13573, 17185, 19390, 24059, 27146, 34370, 48118, 67865, 120295, 135730, 136007, 240590, 272014, 680035, 952049, 1360070, 1904098, 4760245, 6664343, 9520490, 13328686, 33321715, 66643430]

約数ペア:

[(1, 66643430), (2, 33321715), (5, 13328686), (7, 9520490), (10, 6664343), (14, 4760245), (35, 1904098), (49, 1360070), (70, 952049), (98, 680035), (245, 272014), (277, 240590), (490, 136007), (491, 135730), (554, 120295), (982, 67865), (1385, 48118), (1939, 34370), (2455, 27146), (2770, 24059), (3437, 19390), (3878, 17185), (4910, 13573), (6874, 9695)]