217876724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 436625280

約数和(自身を除く): 218748556

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 247, 412, 494, 988, 1339, 1957, 2141, 2678, 3914, 4282, 5356, 7828, 8564, 25441, 27833, 40679, 50882, 55666, 81358, 101764, 111332, 162716, 220523, 441046, 528827, 882092, 1057654, 2115308, 2866799, 4189937, 5733598, 8379874, 11467196, 16759748, 54469181, 108938362, 217876724]

約数ペア:

[(1, 217876724), (2, 108938362), (4, 54469181), (13, 16759748), (19, 11467196), (26, 8379874), (38, 5733598), (52, 4189937), (76, 2866799), (103, 2115308), (206, 1057654), (247, 882092), (412, 528827), (494, 441046), (988, 220523), (1339, 162716), (1957, 111332), (2141, 101764), (2678, 81358), (3914, 55666), (4282, 50882), (5356, 40679), (7828, 27833), (8564, 25441)]