215808586

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{9181}}^1$

素因数の和:9286

約数の個数: 32

約数和(自身を含む): 391373568

約数和(自身を除く): 175564982

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 1022, 1679, 3358, 9181, 11753, 18362, 23506, 64267, 128534, 211163, 422326, 670213, 1340426, 1478141, 2956282, 4691491, 9382982, 15414899, 30829798, 107904293, 215808586]

約数ペア:

[(1, 215808586), (2, 107904293), (7, 30829798), (14, 15414899), (23, 9382982), (46, 4691491), (73, 2956282), (146, 1478141), (161, 1340426), (322, 670213), (511, 422326), (1022, 211163), (1679, 128534), (3358, 64267), (9181, 23506), (11753, 18362)]