257530312

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{2843}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 530861040

約数和(自身を除く): 273330728

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 536, 676, 871, 1352, 1742, 2843, 3484, 5686, 6968, 11323, 11372, 22646, 22744, 36959, 45292, 73918, 90584, 147836, 190481, 295672, 380962, 480467, 761924, 960934, 1523848, 1921868, 2476253, 3843736, 4952506, 9905012, 19810024, 32191289, 64382578, 128765156, 257530312]

約数ペア:

[(1, 257530312), (2, 128765156), (4, 64382578), (8, 32191289), (13, 19810024), (26, 9905012), (52, 4952506), (67, 3843736), (104, 2476253), (134, 1921868), (169, 1523848), (268, 960934), (338, 761924), (536, 480467), (676, 380962), (871, 295672), (1352, 190481), (1742, 147836), (2843, 90584), (3484, 73918), (5686, 45292), (6968, 36959), (11323, 22744), (11372, 22646)]