778827008

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 1605357600

約数和(自身を除く): 826530592

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 139, 172, 256, 278, 344, 509, 556, 688, 1018, 1112, 1376, 2036, 2224, 2752, 4072, 4448, 5504, 5977, 8144, 8896, 11008, 11954, 16288, 17792, 21887, 23908, 32576, 35584, 43774, 47816, 65152, 70751, 87548, 95632, 130304, 141502, 175096, 191264, 283004, 350192, 382528, 566008, 700384, 765056, 1132016, 1400768, 1530112, 2264032, 2801536, 3042293, 4528064, 5603072, 6084586, 9056128, 12169172, 18112256, 24338344, 48676688, 97353376, 194706752, 389413504, 778827008]

約数ペア:

[(1, 778827008), (2, 389413504), (4, 194706752), (8, 97353376), (16, 48676688), (32, 24338344), (43, 18112256), (64, 12169172), (86, 9056128), (128, 6084586), (139, 5603072), (172, 4528064), (256, 3042293), (278, 2801536), (344, 2264032), (509, 1530112), (556, 1400768), (688, 1132016), (1018, 765056), (1112, 700384), (1376, 566008), (2036, 382528), (2224, 350192), (2752, 283004), (4072, 191264), (4448, 175096), (5504, 141502), (5977, 130304), (8144, 95632), (8896, 87548), (11008, 70751), (11954, 65152), (16288, 47816), (17792, 43774), (21887, 35584), (23908, 32576)]