213548688

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20887}}^1$

素因数の和:20972

約数の個数: 60

約数和(自身を含む): 606086208

約数和(自身を除く): 392537520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 20887, 41774, 62661, 83548, 125322, 167096, 187983, 250644, 334192, 375966, 501288, 751932, 1002576, 1482977, 1503864, 2965954, 3007728, 4448931, 5931908, 8897862, 11863816, 13346793, 17795724, 23727632, 26693586, 35591448, 53387172, 71182896, 106774344, 213548688]

約数ペア:

[(1, 213548688), (2, 106774344), (3, 71182896), (4, 53387172), (6, 35591448), (8, 26693586), (9, 23727632), (12, 17795724), (16, 13346793), (18, 11863816), (24, 8897862), (36, 5931908), (48, 4448931), (71, 3007728), (72, 2965954), (142, 1503864), (144, 1482977), (213, 1002576), (284, 751932), (426, 501288), (568, 375966), (639, 334192), (852, 250644), (1136, 187983), (1278, 167096), (1704, 125322), (2556, 83548), (3408, 62661), (5112, 41774), (10224, 20887)]