28974484

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 65499840

約数和(自身を除く): 36525356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 89, 98, 151, 154, 178, 196, 302, 308, 356, 539, 604, 623, 979, 1057, 1078, 1246, 1661, 1958, 2114, 2156, 2492, 3322, 3916, 4228, 4361, 6644, 6853, 7399, 8722, 11627, 13439, 13706, 14798, 17444, 23254, 26878, 27412, 29596, 46508, 47971, 53756, 81389, 94073, 95942, 147829, 162778, 188146, 191884, 295658, 325556, 376292, 591316, 658511, 1034803, 1317022, 2069606, 2634044, 4139212, 7243621, 14487242, 28974484]

約数ペア:

[(1, 28974484), (2, 14487242), (4, 7243621), (7, 4139212), (11, 2634044), (14, 2069606), (22, 1317022), (28, 1034803), (44, 658511), (49, 591316), (77, 376292), (89, 325556), (98, 295658), (151, 191884), (154, 188146), (178, 162778), (196, 147829), (302, 95942), (308, 94073), (356, 81389), (539, 53756), (604, 47971), (623, 46508), (979, 29596), (1057, 27412), (1078, 26878), (1246, 23254), (1661, 17444), (1958, 14798), (2114, 13706), (2156, 13439), (2492, 11627), (3322, 8722), (3916, 7399), (4228, 6853), (4361, 6644)]