657204028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{238463}}^1$

素因数の和:238533

約数の個数: 24

約数和(自身を含む): 1261951488

約数和(自身を除く): 604747460

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 238463, 476926, 953852, 3100019, 6200038, 12400076, 12638539, 25277078, 50554156, 164301007, 328602014, 657204028]

約数ペア:

[(1, 657204028), (2, 328602014), (4, 164301007), (13, 50554156), (26, 25277078), (52, 12638539), (53, 12400076), (106, 6200038), (212, 3100019), (689, 953852), (1378, 476926), (2756, 238463)]