389675456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1237

約数の個数: 56

約数和(自身を含む): 803062656

約数和(自身を除く): 413387200

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 197, 248, 394, 496, 788, 992, 997, 1576, 1984, 1994, 3152, 3988, 6107, 6304, 7976, 12214, 12608, 15952, 24428, 30907, 31904, 48856, 61814, 63808, 97712, 123628, 195424, 196409, 247256, 390848, 392818, 494512, 785636, 989024, 1571272, 1978048, 3142544, 6088679, 6285088, 12177358, 12570176, 24354716, 48709432, 97418864, 194837728, 389675456]

約数ペア:

[(1, 389675456), (2, 194837728), (4, 97418864), (8, 48709432), (16, 24354716), (31, 12570176), (32, 12177358), (62, 6285088), (64, 6088679), (124, 3142544), (197, 1978048), (248, 1571272), (394, 989024), (496, 785636), (788, 494512), (992, 392818), (997, 390848), (1576, 247256), (1984, 196409), (1994, 195424), (3152, 123628), (3988, 97712), (6107, 63808), (6304, 61814), (7976, 48856), (12214, 31904), (12608, 30907), (15952, 24428)]