247428

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 672000

約数和(自身を除く): 424572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 79, 87, 108, 116, 158, 174, 237, 261, 316, 348, 474, 522, 711, 783, 948, 1044, 1422, 1566, 2133, 2291, 2844, 3132, 4266, 4582, 6873, 8532, 9164, 13746, 20619, 27492, 41238, 61857, 82476, 123714, 247428]

約数ペア:

[(1, 247428), (2, 123714), (3, 82476), (4, 61857), (6, 41238), (9, 27492), (12, 20619), (18, 13746), (27, 9164), (29, 8532), (36, 6873), (54, 4582), (58, 4266), (79, 3132), (87, 2844), (108, 2291), (116, 2133), (158, 1566), (174, 1422), (237, 1044), (261, 948), (316, 783), (348, 711), (474, 522)]