138808576

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{17491}}^1$

素因数の和:17538

約数の個数: 36

約数和(自身を含む): 286029184

約数和(自身を除く): 147220608

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 17491, 34982, 69964, 139928, 279856, 542221, 559712, 1084442, 1119424, 2168884, 2238848, 4337768, 4477696, 8675536, 17351072, 34702144, 69404288, 138808576]

約数ペア:

[(1, 138808576), (2, 69404288), (4, 34702144), (8, 17351072), (16, 8675536), (31, 4477696), (32, 4337768), (62, 2238848), (64, 2168884), (124, 1119424), (128, 1084442), (248, 559712), (256, 542221), (496, 279856), (992, 139928), (1984, 69964), (3968, 34982), (7936, 17491)]