398332928

素因数分解:

$2^{10}\times 7^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 88

約数和(自身を含む): 925964544

約数和(自身を除く): 527631616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 512, 854, 896, 911, 976, 1024, 1708, 1792, 1822, 1952, 3416, 3584, 3644, 3904, 6377, 6832, 7168, 7288, 7808, 12754, 13664, 14576, 15616, 25508, 27328, 29152, 31232, 51016, 54656, 55571, 58304, 62464, 102032, 109312, 111142, 116608, 204064, 218624, 222284, 233216, 388997, 408128, 437248, 444568, 466432, 777994, 816256, 889136, 932864, 1555988, 1632512, 1778272, 3111976, 3265024, 3556544, 6223952, 6530048, 7113088, 12447904, 14226176, 24895808, 28452352, 49791616, 56904704, 99583232, 199166464, 398332928]

約数ペア:

[(1, 398332928), (2, 199166464), (4, 99583232), (7, 56904704), (8, 49791616), (14, 28452352), (16, 24895808), (28, 14226176), (32, 12447904), (56, 7113088), (61, 6530048), (64, 6223952), (112, 3556544), (122, 3265024), (128, 3111976), (224, 1778272), (244, 1632512), (256, 1555988), (427, 932864), (448, 889136), (488, 816256), (512, 777994), (854, 466432), (896, 444568), (911, 437248), (976, 408128), (1024, 388997), (1708, 233216), (1792, 222284), (1822, 218624), (1952, 204064), (3416, 116608), (3584, 111142), (3644, 109312), (3904, 102032), (6377, 62464), (6832, 58304), (7168, 55571), (7288, 54656), (7808, 51016), (12754, 31232), (13664, 29152), (14576, 27328), (15616, 25508)]