215691028

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{71993}}^1$

素因数の和:72111

約数の個数: 24

約数和(自身を含む): 435419712

約数和(自身を除く): 219728684

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 71993, 143986, 287972, 503951, 1007902, 2015804, 7703251, 15406502, 30813004, 53922757, 107845514, 215691028]

約数ペア:

[(1, 215691028), (2, 107845514), (4, 53922757), (7, 30813004), (14, 15406502), (28, 7703251), (107, 2015804), (214, 1007902), (428, 503951), (749, 287972), (1498, 143986), (2996, 71993)]