64281256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32531}}^1$

素因数の和:32569

約数の個数: 32

約数和(自身を含む): 136634400

約数和(自身を除く): 72353144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32531, 65062, 130124, 260248, 422903, 618089, 845806, 1236178, 1691612, 2472356, 3383224, 4944712, 8035157, 16070314, 32140628, 64281256]

約数ペア:

[(1, 64281256), (2, 32140628), (4, 16070314), (8, 8035157), (13, 4944712), (19, 3383224), (26, 2472356), (38, 1691612), (52, 1236178), (76, 845806), (104, 618089), (152, 422903), (247, 260248), (494, 130124), (988, 65062), (1976, 32531)]