9977968

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 26717040

約数和(自身を除く): 16739072

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 89, 91, 98, 104, 112, 143, 154, 176, 178, 182, 196, 208, 286, 308, 356, 364, 392, 539, 572, 616, 623, 637, 712, 728, 784, 979, 1001, 1078, 1144, 1157, 1232, 1246, 1274, 1424, 1456, 1958, 2002, 2156, 2288, 2314, 2492, 2548, 3916, 4004, 4312, 4361, 4628, 4984, 5096, 6853, 7007, 7832, 8008, 8099, 8624, 8722, 9256, 9968, 10192, 12727, 13706, 14014, 15664, 16016, 16198, 17444, 18512, 25454, 27412, 28028, 32396, 34888, 47971, 50908, 54824, 56056, 56693, 64792, 69776, 89089, 95942, 101816, 109648, 112112, 113386, 129584, 178178, 191884, 203632, 226772, 356356, 383768, 453544, 623623, 712712, 767536, 907088, 1247246, 1425424, 2494492, 4988984, 9977968]

約数ペア:

[(1, 9977968), (2, 4988984), (4, 2494492), (7, 1425424), (8, 1247246), (11, 907088), (13, 767536), (14, 712712), (16, 623623), (22, 453544), (26, 383768), (28, 356356), (44, 226772), (49, 203632), (52, 191884), (56, 178178), (77, 129584), (88, 113386), (89, 112112), (91, 109648), (98, 101816), (104, 95942), (112, 89089), (143, 69776), (154, 64792), (176, 56693), (178, 56056), (182, 54824), (196, 50908), (208, 47971), (286, 34888), (308, 32396), (356, 28028), (364, 27412), (392, 25454), (539, 18512), (572, 17444), (616, 16198), (623, 16016), (637, 15664), (712, 14014), (728, 13706), (784, 12727), (979, 10192), (1001, 9968), (1078, 9256), (1144, 8722), (1157, 8624), (1232, 8099), (1246, 8008), (1274, 7832), (1424, 7007), (1456, 6853), (1958, 5096), (2002, 4984), (2156, 4628), (2288, 4361), (2314, 4312), (2492, 4004), (2548, 3916)]