219921604

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{16747}}^1$

素因数の和:16832

約数の個数: 36

約数和(自身を含む): 454406736

約数和(自身を除く): 234485132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1876, 3283, 6566, 13132, 16747, 33494, 66988, 117229, 234458, 468916, 820603, 1122049, 1641206, 2244098, 3282412, 4488196, 7854343, 15708686, 31417372, 54980401, 109960802, 219921604]

約数ペア:

[(1, 219921604), (2, 109960802), (4, 54980401), (7, 31417372), (14, 15708686), (28, 7854343), (49, 4488196), (67, 3282412), (98, 2244098), (134, 1641206), (196, 1122049), (268, 820603), (469, 468916), (938, 234458), (1876, 117229), (3283, 66988), (6566, 33494), (13132, 16747)]