66907568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45953}}^1$

素因数の和:45981

約数の個数: 40

約数和(自身を含む): 159552288

約数和(自身を除く): 92644720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 45953, 91906, 183812, 321671, 367624, 597389, 643342, 735248, 1194778, 1286684, 2389556, 2573368, 4181723, 4779112, 5146736, 8363446, 9558224, 16726892, 33453784, 66907568]

約数ペア:

[(1, 66907568), (2, 33453784), (4, 16726892), (7, 9558224), (8, 8363446), (13, 5146736), (14, 4779112), (16, 4181723), (26, 2573368), (28, 2389556), (52, 1286684), (56, 1194778), (91, 735248), (104, 643342), (112, 597389), (182, 367624), (208, 321671), (364, 183812), (728, 91906), (1456, 45953)]