12981178

素因数分解:

$2^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 10058822

約数列:

[1, 2, 7, 14, 49, 98, 127, 149, 254, 298, 343, 686, 889, 1043, 1778, 2086, 6223, 7301, 12446, 14602, 18923, 37846, 43561, 51107, 87122, 102214, 132461, 264922, 927227, 1854454, 6490589, 12981178]

約数ペア:

[(1, 12981178), (2, 6490589), (7, 1854454), (14, 927227), (49, 264922), (98, 132461), (127, 102214), (149, 87122), (254, 51107), (298, 43561), (343, 37846), (686, 18923), (889, 14602), (1043, 12446), (1778, 7301), (2086, 6223)]