28355456

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 60918480

約数和(自身を除く): 32563024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 128, 136, 157, 166, 272, 314, 332, 544, 628, 664, 1088, 1256, 1328, 1411, 2176, 2512, 2656, 2669, 2822, 5024, 5312, 5338, 5644, 10048, 10624, 10676, 11288, 13031, 20096, 21352, 22576, 26062, 42704, 45152, 52124, 85408, 90304, 104248, 170816, 180608, 208496, 221527, 341632, 416992, 443054, 833984, 886108, 1667968, 1772216, 3544432, 7088864, 14177728, 28355456]

約数ペア:

[(1, 28355456), (2, 14177728), (4, 7088864), (8, 3544432), (16, 1772216), (17, 1667968), (32, 886108), (34, 833984), (64, 443054), (68, 416992), (83, 341632), (128, 221527), (136, 208496), (157, 180608), (166, 170816), (272, 104248), (314, 90304), (332, 85408), (544, 52124), (628, 45152), (664, 42704), (1088, 26062), (1256, 22576), (1328, 21352), (1411, 20096), (2176, 13031), (2512, 11288), (2656, 10676), (2669, 10624), (2822, 10048), (5024, 5644), (5312, 5338)]