68905216

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 148345344

約数和(自身を除く): 79440128

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 223, 256, 272, 284, 446, 544, 568, 892, 1088, 1136, 1207, 1784, 2176, 2272, 2414, 3568, 3791, 4352, 4544, 4828, 7136, 7582, 9088, 9656, 14272, 15164, 15833, 18176, 19312, 28544, 30328, 31666, 38624, 57088, 60656, 63332, 77248, 121312, 126664, 154496, 242624, 253328, 269161, 308992, 485248, 506656, 538322, 970496, 1013312, 1076644, 2026624, 2153288, 4053248, 4306576, 8613152, 17226304, 34452608, 68905216]

約数ペア:

[(1, 68905216), (2, 34452608), (4, 17226304), (8, 8613152), (16, 4306576), (17, 4053248), (32, 2153288), (34, 2026624), (64, 1076644), (68, 1013312), (71, 970496), (128, 538322), (136, 506656), (142, 485248), (223, 308992), (256, 269161), (272, 253328), (284, 242624), (446, 154496), (544, 126664), (568, 121312), (892, 77248), (1088, 63332), (1136, 60656), (1207, 57088), (1784, 38624), (2176, 31666), (2272, 30328), (2414, 28544), (3568, 19312), (3791, 18176), (4352, 15833), (4544, 15164), (4828, 14272), (7136, 9656), (7582, 9088)]