989778416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4903}}^1$

素因数の和:4990

約数の個数: 80

約数和(自身を含む): 2218334208

約数和(自身を除く): 1228555792

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 148, 176, 248, 296, 341, 407, 496, 592, 682, 814, 1147, 1364, 1628, 2294, 2728, 3256, 4588, 4903, 5456, 6512, 9176, 9806, 12617, 18352, 19612, 25234, 39224, 50468, 53933, 78448, 100936, 107866, 151993, 181411, 201872, 215732, 303986, 362822, 431464, 607972, 725644, 862928, 1215944, 1451288, 1671923, 1995521, 2431888, 2902576, 3343846, 3991042, 5623741, 6687692, 7982084, 11247482, 13375384, 15964168, 22494964, 26750768, 31928336, 44989928, 61861151, 89979856, 123722302, 247444604, 494889208, 989778416]

約数ペア:

[(1, 989778416), (2, 494889208), (4, 247444604), (8, 123722302), (11, 89979856), (16, 61861151), (22, 44989928), (31, 31928336), (37, 26750768), (44, 22494964), (62, 15964168), (74, 13375384), (88, 11247482), (124, 7982084), (148, 6687692), (176, 5623741), (248, 3991042), (296, 3343846), (341, 2902576), (407, 2431888), (496, 1995521), (592, 1671923), (682, 1451288), (814, 1215944), (1147, 862928), (1364, 725644), (1628, 607972), (2294, 431464), (2728, 362822), (3256, 303986), (4588, 215732), (4903, 201872), (5456, 181411), (6512, 151993), (9176, 107866), (9806, 100936), (12617, 78448), (18352, 53933), (19612, 50468), (25234, 39224)]