217196416

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 451215360

約数和(自身を除く): 234018944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 431, 496, 508, 862, 992, 1016, 1724, 1984, 2032, 3448, 3937, 3968, 4064, 6896, 7874, 8128, 13361, 13792, 15748, 16256, 26722, 27584, 31496, 53444, 54737, 55168, 62992, 106888, 109474, 125984, 213776, 218948, 251968, 427552, 437896, 503936, 855104, 875792, 1696847, 1710208, 1751584, 3393694, 3503168, 6787388, 7006336, 13574776, 27149552, 54299104, 108598208, 217196416]

約数ペア:

[(1, 217196416), (2, 108598208), (4, 54299104), (8, 27149552), (16, 13574776), (31, 7006336), (32, 6787388), (62, 3503168), (64, 3393694), (124, 1751584), (127, 1710208), (128, 1696847), (248, 875792), (254, 855104), (431, 503936), (496, 437896), (508, 427552), (862, 251968), (992, 218948), (1016, 213776), (1724, 125984), (1984, 109474), (2032, 106888), (3448, 62992), (3937, 55168), (3968, 54737), (4064, 53444), (6896, 31496), (7874, 27584), (8128, 26722), (13361, 16256), (13792, 15748)]