68189884

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^2\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 36

約数和(自身を含む): 138576144

約数和(自身を除く): 70386260

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 457, 511, 914, 1022, 1828, 2044, 3199, 5329, 6398, 10658, 12796, 21316, 33361, 37303, 66722, 74606, 133444, 149212, 233527, 467054, 934108, 2435353, 4870706, 9741412, 17047471, 34094942, 68189884]

約数ペア:

[(1, 68189884), (2, 34094942), (4, 17047471), (7, 9741412), (14, 4870706), (28, 2435353), (73, 934108), (146, 467054), (292, 233527), (457, 149212), (511, 133444), (914, 74606), (1022, 66722), (1828, 37303), (2044, 33361), (3199, 21316), (5329, 12796), (6398, 10658)]