28663456

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 59409504

約数和(自身を除く): 30746048

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 563, 592, 688, 1126, 1184, 1376, 1591, 2252, 3182, 4504, 6364, 9008, 12728, 18016, 20831, 24209, 25456, 41662, 48418, 50912, 83324, 96836, 166648, 193672, 333296, 387344, 666592, 774688, 895733, 1791466, 3582932, 7165864, 14331728, 28663456]

約数ペア:

[(1, 28663456), (2, 14331728), (4, 7165864), (8, 3582932), (16, 1791466), (32, 895733), (37, 774688), (43, 666592), (74, 387344), (86, 333296), (148, 193672), (172, 166648), (296, 96836), (344, 83324), (563, 50912), (592, 48418), (688, 41662), (1126, 25456), (1184, 24209), (1376, 20831), (1591, 18016), (2252, 12728), (3182, 9008), (4504, 6364)]