393452494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 638352000

約数和(自身を除く): 244899506

約数列:

[1, 2, 19, 38, 43, 86, 389, 619, 778, 817, 1238, 1634, 7391, 11761, 14782, 16727, 23522, 26617, 33454, 53234, 240791, 317813, 481582, 505723, 635626, 1011446, 4575029, 9150058, 10354013, 20708026, 196726247, 393452494]

約数ペア:

[(1, 393452494), (2, 196726247), (19, 20708026), (38, 10354013), (43, 9150058), (86, 4575029), (389, 1011446), (619, 635626), (778, 505723), (817, 481582), (1238, 317813), (1634, 240791), (7391, 53234), (11761, 33454), (14782, 26617), (16727, 23522)]