213820516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 484060416

約数和(自身を除く): 270239900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2707, 2821, 3038, 5414, 5642, 6076, 10828, 11284, 18949, 19747, 35191, 37898, 39494, 70382, 75796, 78988, 83917, 132643, 140764, 167834, 246337, 265286, 335668, 492674, 530572, 587419, 985348, 1090921, 1174838, 1724359, 2181842, 2349676, 3448718, 4111933, 4363684, 6897436, 7636447, 8223866, 15272894, 16447732, 30545788, 53455129, 106910258, 213820516]

約数ペア:

[(1, 213820516), (2, 106910258), (4, 53455129), (7, 30545788), (13, 16447732), (14, 15272894), (26, 8223866), (28, 7636447), (31, 6897436), (49, 4363684), (52, 4111933), (62, 3448718), (91, 2349676), (98, 2181842), (124, 1724359), (182, 1174838), (196, 1090921), (217, 985348), (364, 587419), (403, 530572), (434, 492674), (637, 335668), (806, 265286), (868, 246337), (1274, 167834), (1519, 140764), (1612, 132643), (2548, 83917), (2707, 78988), (2821, 75796), (3038, 70382), (5414, 39494), (5642, 37898), (6076, 35191), (10828, 19747), (11284, 18949)]