890649318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{144539}}^1$

素因数の和:144636

約数の個数: 32

約数和(自身を含む): 1942617600

約数和(自身を除く): 1051968282

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 6162, 144539, 289078, 433617, 867234, 1879007, 3758014, 5637021, 11274042, 11418581, 22837162, 34255743, 68511486, 148441553, 296883106, 445324659, 890649318]

約数ペア:

[(1, 890649318), (2, 445324659), (3, 296883106), (6, 148441553), (13, 68511486), (26, 34255743), (39, 22837162), (78, 11418581), (79, 11274042), (158, 5637021), (237, 3758014), (474, 1879007), (1027, 867234), (2054, 433617), (3081, 289078), (6162, 144539)]