161917952

素因数分解:

$2^{10}\times 7^3\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 88

約数和(自身を含む): 378285600

約数和(自身を除く): 216367648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 461, 512, 686, 784, 896, 922, 1024, 1372, 1568, 1792, 1844, 2744, 3136, 3227, 3584, 3688, 5488, 6272, 6454, 7168, 7376, 10976, 12544, 12908, 14752, 21952, 22589, 25088, 25816, 29504, 43904, 45178, 50176, 51632, 59008, 87808, 90356, 103264, 118016, 158123, 175616, 180712, 206528, 236032, 316246, 351232, 361424, 413056, 472064, 632492, 722848, 826112, 1264984, 1445696, 1652224, 2529968, 2891392, 3304448, 5059936, 5782784, 10119872, 11565568, 20239744, 23131136, 40479488, 80958976, 161917952]

約数ペア:

[(1, 161917952), (2, 80958976), (4, 40479488), (7, 23131136), (8, 20239744), (14, 11565568), (16, 10119872), (28, 5782784), (32, 5059936), (49, 3304448), (56, 2891392), (64, 2529968), (98, 1652224), (112, 1445696), (128, 1264984), (196, 826112), (224, 722848), (256, 632492), (343, 472064), (392, 413056), (448, 361424), (461, 351232), (512, 316246), (686, 236032), (784, 206528), (896, 180712), (922, 175616), (1024, 158123), (1372, 118016), (1568, 103264), (1792, 90356), (1844, 87808), (2744, 59008), (3136, 51632), (3227, 50176), (3584, 45178), (3688, 43904), (5488, 29504), (6272, 25816), (6454, 25088), (7168, 22589), (7376, 21952), (10976, 14752), (12544, 12908)]