639704191502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{30389}}^1\times {\mathrm{553961}}^1$

素因数の和:584371

約数の個数: 16

約数和(自身を含む): 1010094310800

約数和(自身を除く): 370390119298

約数列:

[1, 2, 19, 38, 30389, 60778, 553961, 577391, 1107922, 1154782, 10525259, 21050518, 16834320829, 33668641658, 319852095751, 639704191502]

約数ペア:

[(1, 639704191502), (2, 319852095751), (19, 33668641658), (38, 16834320829), (30389, 21050518), (60778, 10525259), (553961, 1154782), (577391, 1107922)]