204212128

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 214067552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 139, 248, 278, 496, 556, 992, 1112, 1481, 2224, 2962, 4309, 4448, 5924, 8618, 11848, 17236, 23696, 34472, 45911, 47392, 68944, 91822, 137888, 183644, 205859, 367288, 411718, 734576, 823436, 1469152, 1646872, 3293744, 6381629, 6587488, 12763258, 25526516, 51053032, 102106064, 204212128]

約数ペア:

[(1, 204212128), (2, 102106064), (4, 51053032), (8, 25526516), (16, 12763258), (31, 6587488), (32, 6381629), (62, 3293744), (124, 1646872), (139, 1469152), (248, 823436), (278, 734576), (496, 411718), (556, 367288), (992, 205859), (1112, 183644), (1481, 137888), (2224, 91822), (2962, 68944), (4309, 47392), (4448, 45911), (5924, 34472), (8618, 23696), (11848, 17236)]