199978724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5640

約数の個数: 48

約数和(自身を含む): 411290880

約数和(自身を除く): 211312156

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 3268, 5563, 8987, 11126, 17974, 22252, 35948, 61193, 105697, 122386, 211394, 239209, 244772, 422788, 478418, 956836, 1162667, 2325334, 2631299, 4544971, 4650668, 5262598, 9089942, 10525196, 18179884, 49994681, 99989362, 199978724]

約数ペア:

[(1, 199978724), (2, 99989362), (4, 49994681), (11, 18179884), (19, 10525196), (22, 9089942), (38, 5262598), (43, 4650668), (44, 4544971), (76, 2631299), (86, 2325334), (172, 1162667), (209, 956836), (418, 478418), (473, 422788), (817, 244772), (836, 239209), (946, 211394), (1634, 122386), (1892, 105697), (3268, 61193), (5563, 35948), (8987, 22252), (11126, 17974)]