256672728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274223}}^1$

素因数の和:274248

約数の個数: 48

約数和(自身を含む): 748631520

約数和(自身を除く): 491958792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274223, 548446, 822669, 1096892, 1645338, 2193784, 2468007, 3290676, 3564899, 4936014, 6581352, 7129798, 9872028, 10694697, 14259596, 19744056, 21389394, 28519192, 32084091, 42778788, 64168182, 85557576, 128336364, 256672728]

約数ペア:

[(1, 256672728), (2, 128336364), (3, 85557576), (4, 64168182), (6, 42778788), (8, 32084091), (9, 28519192), (12, 21389394), (13, 19744056), (18, 14259596), (24, 10694697), (26, 9872028), (36, 7129798), (39, 6581352), (52, 4936014), (72, 3564899), (78, 3290676), (104, 2468007), (117, 2193784), (156, 1645338), (234, 1096892), (312, 822669), (468, 548446), (936, 274223)]