128678994

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{106699}}^1$

素因数の和:106774

約数の個数: 24

約数和(自身を含む): 282968400

約数和(自身を除く): 154289406

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 106699, 213398, 320097, 640194, 960291, 1920582, 7148833, 14297666, 21446499, 42892998, 64339497, 128678994]

約数ペア:

[(1, 128678994), (2, 64339497), (3, 42892998), (6, 21446499), (9, 14297666), (18, 7148833), (67, 1920582), (134, 960291), (201, 640194), (402, 320097), (603, 213398), (1206, 106699)]