290384802

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 641292288

約数和(自身を除く): 350907486

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 223, 438, 446, 657, 669, 991, 1314, 1338, 1982, 2007, 2973, 4014, 5946, 8919, 16279, 17838, 32558, 48837, 72343, 97674, 144686, 146511, 217029, 220993, 293022, 434058, 441986, 651087, 662979, 1302174, 1325958, 1988937, 3977874, 16132489, 32264978, 48397467, 96794934, 145192401, 290384802]

約数ペア:

[(1, 290384802), (2, 145192401), (3, 96794934), (6, 48397467), (9, 32264978), (18, 16132489), (73, 3977874), (146, 1988937), (219, 1325958), (223, 1302174), (438, 662979), (446, 651087), (657, 441986), (669, 434058), (991, 293022), (1314, 220993), (1338, 217029), (1982, 146511), (2007, 144686), (2973, 97674), (4014, 72343), (5946, 48837), (8919, 32558), (16279, 17838)]