211568128

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 80

約数和(自身を含む): 453720960

約数和(自身を除く): 242152832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 218, 223, 256, 272, 436, 446, 512, 544, 872, 892, 1088, 1744, 1784, 1853, 2176, 3488, 3568, 3706, 3791, 4352, 6976, 7136, 7412, 7582, 8704, 13952, 14272, 14824, 15164, 24307, 27904, 28544, 29648, 30328, 48614, 55808, 57088, 59296, 60656, 97228, 114176, 118592, 121312, 194456, 237184, 242624, 388912, 413219, 474368, 485248, 777824, 826438, 948736, 970496, 1555648, 1652876, 1940992, 3111296, 3305752, 6222592, 6611504, 12445184, 13223008, 26446016, 52892032, 105784064, 211568128]

約数ペア:

[(1, 211568128), (2, 105784064), (4, 52892032), (8, 26446016), (16, 13223008), (17, 12445184), (32, 6611504), (34, 6222592), (64, 3305752), (68, 3111296), (109, 1940992), (128, 1652876), (136, 1555648), (218, 970496), (223, 948736), (256, 826438), (272, 777824), (436, 485248), (446, 474368), (512, 413219), (544, 388912), (872, 242624), (892, 237184), (1088, 194456), (1744, 121312), (1784, 118592), (1853, 114176), (2176, 97228), (3488, 60656), (3568, 59296), (3706, 57088), (3791, 55808), (4352, 48614), (6976, 30328), (7136, 29648), (7412, 28544), (7582, 27904), (8704, 24307), (13952, 15164), (14272, 14824)]