400996288

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81371}}^1$

素因数の和:81401

約数の個数: 56

約数和(自身を含む): 992087424

約数和(自身を除く): 591091136

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4928, 81371, 162742, 325484, 569597, 650968, 895081, 1139194, 1301936, 1790162, 2278388, 2603872, 3580324, 4556776, 5207744, 6265567, 7160648, 9113552, 12531134, 14321296, 18227104, 25062268, 28642592, 36454208, 50124536, 57285184, 100249072, 200498144, 400996288]

約数ペア:

[(1, 400996288), (2, 200498144), (4, 100249072), (7, 57285184), (8, 50124536), (11, 36454208), (14, 28642592), (16, 25062268), (22, 18227104), (28, 14321296), (32, 12531134), (44, 9113552), (56, 7160648), (64, 6265567), (77, 5207744), (88, 4556776), (112, 3580324), (154, 2603872), (176, 2278388), (224, 1790162), (308, 1301936), (352, 1139194), (448, 895081), (616, 650968), (704, 569597), (1232, 325484), (2464, 162742), (4928, 81371)]