661387452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{1621}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 1703372496

約数和(自身を除く): 1041985044

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 281, 363, 484, 562, 726, 843, 1124, 1452, 1621, 1686, 3091, 3242, 3372, 4863, 6182, 6484, 9273, 9726, 12364, 17831, 18546, 19452, 34001, 35662, 37092, 53493, 68002, 71324, 102003, 106986, 136004, 196141, 204006, 213972, 392282, 408012, 455501, 588423, 784564, 911002, 1176846, 1366503, 1822004, 2353692, 2733006, 5010511, 5466012, 10021022, 15031533, 20042044, 30063066, 55115621, 60126132, 110231242, 165346863, 220462484, 330693726, 661387452]

約数ペア:

[(1, 661387452), (2, 330693726), (3, 220462484), (4, 165346863), (6, 110231242), (11, 60126132), (12, 55115621), (22, 30063066), (33, 20042044), (44, 15031533), (66, 10021022), (121, 5466012), (132, 5010511), (242, 2733006), (281, 2353692), (363, 1822004), (484, 1366503), (562, 1176846), (726, 911002), (843, 784564), (1124, 588423), (1452, 455501), (1621, 408012), (1686, 392282), (3091, 213972), (3242, 204006), (3372, 196141), (4863, 136004), (6182, 106986), (6484, 102003), (9273, 71324), (9726, 68002), (12364, 53493), (17831, 37092), (18546, 35662), (19452, 34001)]