81385304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10163}}^1$

素因数の和:10200

約数の個数: 64

約数和(自身を含む): 204906240

約数和(自身を除く): 123520936

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 10163, 20326, 40652, 71141, 81304, 111793, 132119, 142282, 223586, 264238, 284564, 447172, 528476, 569128, 782551, 894344, 924833, 1056952, 1453309, 1565102, 1849666, 2906618, 3130204, 3699332, 5813236, 6260408, 7398664, 10173163, 11626472, 20346326, 40692652, 81385304]

約数ペア:

[(1, 81385304), (2, 40692652), (4, 20346326), (7, 11626472), (8, 10173163), (11, 7398664), (13, 6260408), (14, 5813236), (22, 3699332), (26, 3130204), (28, 2906618), (44, 1849666), (52, 1565102), (56, 1453309), (77, 1056952), (88, 924833), (91, 894344), (104, 782551), (143, 569128), (154, 528476), (182, 447172), (286, 284564), (308, 264238), (364, 223586), (572, 142282), (616, 132119), (728, 111793), (1001, 81304), (1144, 71141), (2002, 40652), (4004, 20326), (8008, 10163)]