218928512

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2549}}^1$

素因数の和:2635

約数の個数: 64

約数和(自身を含む): 483786000

約数和(自身を除く): 264857488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 244, 352, 488, 671, 704, 976, 1342, 1408, 1952, 2549, 2684, 3904, 5098, 5368, 7808, 10196, 10736, 20392, 21472, 28039, 40784, 42944, 56078, 81568, 85888, 112156, 155489, 163136, 224312, 310978, 326272, 448624, 621956, 897248, 1243912, 1710379, 1794496, 2487824, 3420758, 3588992, 4975648, 6841516, 9951296, 13683032, 19902592, 27366064, 54732128, 109464256, 218928512]

約数ペア:

[(1, 218928512), (2, 109464256), (4, 54732128), (8, 27366064), (11, 19902592), (16, 13683032), (22, 9951296), (32, 6841516), (44, 4975648), (61, 3588992), (64, 3420758), (88, 2487824), (122, 1794496), (128, 1710379), (176, 1243912), (244, 897248), (352, 621956), (488, 448624), (671, 326272), (704, 310978), (976, 224312), (1342, 163136), (1408, 155489), (1952, 112156), (2549, 85888), (2684, 81568), (3904, 56078), (5098, 42944), (5368, 40784), (7808, 28039), (10196, 21472), (10736, 20392)]