161586256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2347}}^1$

素因数の和:2699

約数の個数: 40

約数和(自身を含む): 338318624

約数和(自身を除く): 176732368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2347, 2648, 4303, 4694, 5296, 8606, 9388, 17212, 18776, 30511, 34424, 37552, 61022, 68848, 122044, 244088, 488176, 776857, 1553714, 3107428, 6214856, 10099141, 12429712, 20198282, 40396564, 80793128, 161586256]

約数ペア:

[(1, 161586256), (2, 80793128), (4, 40396564), (8, 20198282), (13, 12429712), (16, 10099141), (26, 6214856), (52, 3107428), (104, 1553714), (208, 776857), (331, 488176), (662, 244088), (1324, 122044), (2347, 68848), (2648, 61022), (4303, 37552), (4694, 34424), (5296, 30511), (8606, 18776), (9388, 17212)]