219954532

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{18397}}^1$

素因数の和:18476

約数の個数: 36

約数和(自身を含む): 455129724

約数和(自身を除く): 235175192

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 18397, 36794, 73588, 128779, 257558, 515116, 901453, 1122217, 1802906, 2244434, 3605812, 4488868, 7855519, 15711038, 31422076, 54988633, 109977266, 219954532]

約数ペア:

[(1, 219954532), (2, 109977266), (4, 54988633), (7, 31422076), (14, 15711038), (28, 7855519), (49, 4488868), (61, 3605812), (98, 2244434), (122, 1802906), (196, 1122217), (244, 901453), (427, 515116), (854, 257558), (1708, 128779), (2989, 73588), (5978, 36794), (11956, 18397)]