217994972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 436601760

約数和(自身を除く): 218606788

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 377, 481, 754, 962, 1073, 1508, 1924, 2146, 3907, 4292, 7814, 13949, 15628, 27898, 50791, 55796, 101582, 113303, 144559, 203164, 226606, 289118, 453212, 578236, 1472939, 1879267, 2945878, 3758534, 4192211, 5891756, 7517068, 8384422, 16768844, 54498743, 108997486, 217994972]

約数ペア:

[(1, 217994972), (2, 108997486), (4, 54498743), (13, 16768844), (26, 8384422), (29, 7517068), (37, 5891756), (52, 4192211), (58, 3758534), (74, 2945878), (116, 1879267), (148, 1472939), (377, 578236), (481, 453212), (754, 289118), (962, 226606), (1073, 203164), (1508, 144559), (1924, 113303), (2146, 101582), (3907, 55796), (4292, 50791), (7814, 27898), (13949, 15628)]