2494492

素因数分解:

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

素因数の和:131

約数の個数: 72

約数和(自身を含む): 6032880

約数和(自身を除く): 3538388

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 89, 91, 98, 143, 154, 178, 182, 196, 286, 308, 356, 364, 539, 572, 623, 637, 979, 1001, 1078, 1157, 1246, 1274, 1958, 2002, 2156, 2314, 2492, 2548, 3916, 4004, 4361, 4628, 6853, 7007, 8099, 8722, 12727, 13706, 14014, 16198, 17444, 25454, 27412, 28028, 32396, 47971, 50908, 56693, 89089, 95942, 113386, 178178, 191884, 226772, 356356, 623623, 1247246, 2494492]

約数ペア:

[(1, 2494492), (2, 1247246), (4, 623623), (7, 356356), (11, 226772), (13, 191884), (14, 178178), (22, 113386), (26, 95942), (28, 89089), (44, 56693), (49, 50908), (52, 47971), (77, 32396), (89, 28028), (91, 27412), (98, 25454), (143, 17444), (154, 16198), (178, 14014), (182, 13706), (196, 12727), (286, 8722), (308, 8099), (356, 7007), (364, 6853), (539, 4628), (572, 4361), (623, 4004), (637, 3916), (979, 2548), (1001, 2492), (1078, 2314), (1157, 2156), (1246, 2002), (1274, 1958)]