218198456

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73517}}^1$

素因数の和:73583

約数の個数: 32

約数和(自身を含む): 476396640

約数和(自身を除く): 258198184

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 73517, 147034, 294068, 514619, 588136, 1029238, 2058476, 3896401, 4116952, 7792802, 15585604, 27274807, 31171208, 54549614, 109099228, 218198456]

約数ペア:

[(1, 218198456), (2, 109099228), (4, 54549614), (7, 31171208), (8, 27274807), (14, 15585604), (28, 7792802), (53, 4116952), (56, 3896401), (106, 2058476), (212, 1029238), (371, 588136), (424, 514619), (742, 294068), (1484, 147034), (2968, 73517)]