7131978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 18633888

約数和(自身を除く): 11501910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 107, 126, 138, 161, 207, 214, 321, 322, 414, 483, 529, 642, 749, 963, 966, 1058, 1449, 1498, 1587, 1926, 2247, 2461, 2898, 3174, 3703, 4494, 4761, 4922, 6741, 7383, 7406, 9522, 11109, 13482, 14766, 17227, 22149, 22218, 33327, 34454, 44298, 51681, 56603, 66654, 103362, 113206, 155043, 169809, 310086, 339618, 396221, 509427, 792442, 1018854, 1188663, 2377326, 3565989, 7131978]

約数ペア:

[(1, 7131978), (2, 3565989), (3, 2377326), (6, 1188663), (7, 1018854), (9, 792442), (14, 509427), (18, 396221), (21, 339618), (23, 310086), (42, 169809), (46, 155043), (63, 113206), (69, 103362), (107, 66654), (126, 56603), (138, 51681), (161, 44298), (207, 34454), (214, 33327), (321, 22218), (322, 22149), (414, 17227), (483, 14766), (529, 13482), (642, 11109), (749, 9522), (963, 7406), (966, 7383), (1058, 6741), (1449, 4922), (1498, 4761), (1587, 4494), (1926, 3703), (2247, 3174), (2461, 2898)]