64571728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16339}}^1$

素因数の和:16379

約数の個数: 40

約数和(自身を含む): 141831200

約数和(自身を除く): 77259472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16339, 32678, 65356, 130712, 212407, 261424, 310441, 424814, 620882, 849628, 1241764, 1699256, 2483528, 3398512, 4035733, 4967056, 8071466, 16142932, 32285864, 64571728]

約数ペア:

[(1, 64571728), (2, 32285864), (4, 16142932), (8, 8071466), (13, 4967056), (16, 4035733), (19, 3398512), (26, 2483528), (38, 1699256), (52, 1241764), (76, 849628), (104, 620882), (152, 424814), (208, 310441), (247, 261424), (304, 212407), (494, 130712), (988, 65356), (1976, 32678), (3952, 16339)]