640468368

素因数分解:

$2^4\times 3^2\times {\mathrm{4447697}}^1$

素因数の和:4447711

約数の個数: 30

約数和(自身を含む): 1792422294

約数和(自身を除く): 1151953926

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4447697, 8895394, 13343091, 17790788, 26686182, 35581576, 40029273, 53372364, 71163152, 80058546, 106744728, 160117092, 213489456, 320234184, 640468368]

約数ペア:

[(1, 640468368), (2, 320234184), (3, 213489456), (4, 160117092), (6, 106744728), (8, 80058546), (9, 71163152), (12, 53372364), (16, 40029273), (18, 35581576), (24, 26686182), (36, 17790788), (48, 13343091), (72, 8895394), (144, 4447697)]