639035264

素因数分解:

$2^7\times 7^2\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 1493616600

約数和(自身を除く): 854581336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 139, 196, 224, 278, 392, 448, 556, 733, 784, 896, 973, 1112, 1466, 1568, 1946, 2224, 2932, 3136, 3892, 4448, 5131, 5864, 6272, 6811, 7784, 8896, 10262, 11728, 13622, 15568, 17792, 20524, 23456, 27244, 31136, 35917, 41048, 46912, 54488, 62272, 71834, 82096, 93824, 101887, 108976, 124544, 143668, 164192, 203774, 217952, 287336, 328384, 407548, 435904, 574672, 656768, 713209, 815096, 871808, 1149344, 1426418, 1630192, 2298688, 2852836, 3260384, 4597376, 4992463, 5705672, 6520768, 9984926, 11411344, 13041536, 19969852, 22822688, 39939704, 45645376, 79879408, 91290752, 159758816, 319517632, 639035264]

約数ペア:

[(1, 639035264), (2, 319517632), (4, 159758816), (7, 91290752), (8, 79879408), (14, 45645376), (16, 39939704), (28, 22822688), (32, 19969852), (49, 13041536), (56, 11411344), (64, 9984926), (98, 6520768), (112, 5705672), (128, 4992463), (139, 4597376), (196, 3260384), (224, 2852836), (278, 2298688), (392, 1630192), (448, 1426418), (556, 1149344), (733, 871808), (784, 815096), (896, 713209), (973, 656768), (1112, 574672), (1466, 435904), (1568, 407548), (1946, 328384), (2224, 287336), (2932, 217952), (3136, 203774), (3892, 164192), (4448, 143668), (5131, 124544), (5864, 108976), (6272, 101887), (6811, 93824), (7784, 82096), (8896, 71834), (10262, 62272), (11728, 54488), (13622, 46912), (15568, 41048), (17792, 35917), (20524, 31136), (23456, 27244)]