28105216

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3264

約数の個数: 40

約数和(自身を含む): 59477220

約数和(自身を除く): 31372004

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 3229, 4352, 6458, 8704, 12916, 25832, 51664, 54893, 103328, 109786, 206656, 219572, 413312, 439144, 826624, 878288, 1653248, 1756576, 3513152, 7026304, 14052608, 28105216]

約数ペア:

[(1, 28105216), (2, 14052608), (4, 7026304), (8, 3513152), (16, 1756576), (17, 1653248), (32, 878288), (34, 826624), (64, 439144), (68, 413312), (128, 219572), (136, 206656), (256, 109786), (272, 103328), (512, 54893), (544, 51664), (1088, 25832), (2176, 12916), (3229, 8704), (4352, 6458)]