28890512

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 67709952

約数和(自身を除く): 38819440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 53, 56, 62, 106, 112, 124, 157, 212, 217, 248, 314, 371, 424, 434, 496, 628, 742, 848, 868, 1099, 1256, 1484, 1643, 1736, 2198, 2512, 2968, 3286, 3472, 4396, 4867, 5936, 6572, 8321, 8792, 9734, 11501, 13144, 16642, 17584, 19468, 23002, 26288, 33284, 34069, 38936, 46004, 58247, 66568, 68138, 77872, 92008, 116494, 133136, 136276, 184016, 232988, 257951, 272552, 465976, 515902, 545104, 931952, 1031804, 1805657, 2063608, 3611314, 4127216, 7222628, 14445256, 28890512]

約数ペア:

[(1, 28890512), (2, 14445256), (4, 7222628), (7, 4127216), (8, 3611314), (14, 2063608), (16, 1805657), (28, 1031804), (31, 931952), (53, 545104), (56, 515902), (62, 465976), (106, 272552), (112, 257951), (124, 232988), (157, 184016), (212, 136276), (217, 133136), (248, 116494), (314, 92008), (371, 77872), (424, 68138), (434, 66568), (496, 58247), (628, 46004), (742, 38936), (848, 34069), (868, 33284), (1099, 26288), (1256, 23002), (1484, 19468), (1643, 17584), (1736, 16642), (2198, 13144), (2512, 11501), (2968, 9734), (3286, 8792), (3472, 8321), (4396, 6572), (4867, 5936)]