638518912

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 1387523340

約数和(自身を除く): 749004428

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 164, 272, 289, 328, 421, 544, 578, 656, 697, 842, 1088, 1156, 1312, 1394, 1684, 2176, 2312, 2624, 2788, 3368, 4624, 5248, 5576, 6736, 7157, 9248, 11152, 11849, 13472, 14314, 17261, 18496, 22304, 23698, 26944, 28628, 34522, 36992, 44608, 47396, 53888, 57256, 69044, 89216, 94792, 114512, 121669, 138088, 189584, 229024, 243338, 276176, 293437, 379168, 458048, 486676, 552352, 586874, 758336, 916096, 973352, 1104704, 1173748, 1516672, 1946704, 2209408, 2347496, 3893408, 4694992, 4988429, 7786816, 9389984, 9976858, 15573632, 18779968, 19953716, 37559936, 39907432, 79814864, 159629728, 319259456, 638518912]

約数ペア:

[(1, 638518912), (2, 319259456), (4, 159629728), (8, 79814864), (16, 39907432), (17, 37559936), (32, 19953716), (34, 18779968), (41, 15573632), (64, 9976858), (68, 9389984), (82, 7786816), (128, 4988429), (136, 4694992), (164, 3893408), (272, 2347496), (289, 2209408), (328, 1946704), (421, 1516672), (544, 1173748), (578, 1104704), (656, 973352), (697, 916096), (842, 758336), (1088, 586874), (1156, 552352), (1312, 486676), (1394, 458048), (1684, 379168), (2176, 293437), (2312, 276176), (2624, 243338), (2788, 229024), (3368, 189584), (4624, 138088), (5248, 121669), (5576, 114512), (6736, 94792), (7157, 89216), (9248, 69044), (11152, 57256), (11849, 53888), (13472, 47396), (14314, 44608), (17261, 36992), (18496, 34522), (22304, 28628), (23698, 26944)]