216527668

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1749

約数の個数: 48

約数和(自身を含む): 446723200

約数和(自身を除く): 230195532

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 679, 686, 1358, 1372, 1627, 2716, 3254, 4753, 6508, 9506, 11389, 19012, 22778, 33271, 45556, 66542, 79723, 133084, 157819, 159446, 315638, 318892, 558061, 631276, 1104733, 1116122, 2209466, 2232244, 4418932, 7733131, 15466262, 30932524, 54131917, 108263834, 216527668]

約数ペア:

[(1, 216527668), (2, 108263834), (4, 54131917), (7, 30932524), (14, 15466262), (28, 7733131), (49, 4418932), (97, 2232244), (98, 2209466), (194, 1116122), (196, 1104733), (343, 631276), (388, 558061), (679, 318892), (686, 315638), (1358, 159446), (1372, 157819), (1627, 133084), (2716, 79723), (3254, 66542), (4753, 45556), (6508, 33271), (9506, 22778), (11389, 19012)]