16989476

素因数分解:

$2^2\times 7^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 36469020

約数和(自身を除く): 19479544

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 61, 98, 116, 122, 196, 203, 244, 343, 406, 427, 686, 812, 854, 1372, 1421, 1708, 1769, 2401, 2842, 2989, 3538, 4802, 5684, 5978, 7076, 9604, 9947, 11956, 12383, 19894, 20923, 24766, 39788, 41846, 49532, 69629, 83692, 86681, 139258, 146461, 173362, 278516, 292922, 346724, 585844, 606767, 1213534, 2427068, 4247369, 8494738, 16989476]

約数ペア:

[(1, 16989476), (2, 8494738), (4, 4247369), (7, 2427068), (14, 1213534), (28, 606767), (29, 585844), (49, 346724), (58, 292922), (61, 278516), (98, 173362), (116, 146461), (122, 139258), (196, 86681), (203, 83692), (244, 69629), (343, 49532), (406, 41846), (427, 39788), (686, 24766), (812, 20923), (854, 19894), (1372, 12383), (1421, 11956), (1708, 9947), (1769, 9604), (2401, 7076), (2842, 5978), (2989, 5684), (3538, 4802)]