64983568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4663}}^1$

素因数の和:4751

約数の個数: 40

約数和(自身を含む): 137643968

約数和(自身を除く): 72660400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 4663, 6968, 9326, 13936, 18652, 37304, 60619, 74608, 121238, 242476, 312421, 484952, 624842, 969904, 1249684, 2499368, 4061473, 4998736, 8122946, 16245892, 32491784, 64983568]

約数ペア:

[(1, 64983568), (2, 32491784), (4, 16245892), (8, 8122946), (13, 4998736), (16, 4061473), (26, 2499368), (52, 1249684), (67, 969904), (104, 624842), (134, 484952), (208, 312421), (268, 242476), (536, 121238), (871, 74608), (1072, 60619), (1742, 37304), (3484, 18652), (4663, 13936), (6968, 9326)]