213045408

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{19993}}^1$

素因数の和:20046

約数の個数: 72

約数和(自身を含む): 622253268

約数和(自身を除く): 409207860

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 10656, 19993, 39986, 59979, 79972, 119958, 159944, 179937, 239916, 319888, 359874, 479832, 639776, 719748, 739741, 959664, 1439496, 1479482, 1919328, 2219223, 2878992, 2958964, 4438446, 5757984, 5917928, 6657669, 8876892, 11835856, 13315338, 17753784, 23671712, 26630676, 35507568, 53261352, 71015136, 106522704, 213045408]

約数ペア:

[(1, 213045408), (2, 106522704), (3, 71015136), (4, 53261352), (6, 35507568), (8, 26630676), (9, 23671712), (12, 17753784), (16, 13315338), (18, 11835856), (24, 8876892), (32, 6657669), (36, 5917928), (37, 5757984), (48, 4438446), (72, 2958964), (74, 2878992), (96, 2219223), (111, 1919328), (144, 1479482), (148, 1439496), (222, 959664), (288, 739741), (296, 719748), (333, 639776), (444, 479832), (592, 359874), (666, 319888), (888, 239916), (1184, 179937), (1332, 159944), (1776, 119958), (2664, 79972), (3552, 59979), (5328, 39986), (10656, 19993)]