399425152

素因数分解:

$2^7\times 7^1\times {\mathrm{461}}^1\times {\mathrm{967}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 912320640

約数和(自身を除く): 512895488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 461, 896, 922, 967, 1844, 1934, 3227, 3688, 3868, 6454, 6769, 7376, 7736, 12908, 13538, 14752, 15472, 25816, 27076, 29504, 30944, 51632, 54152, 59008, 61888, 103264, 108304, 123776, 206528, 216608, 413056, 433216, 445787, 866432, 891574, 1783148, 3120509, 3566296, 6241018, 7132592, 12482036, 14265184, 24964072, 28530368, 49928144, 57060736, 99856288, 199712576, 399425152]

約数ペア:

[(1, 399425152), (2, 199712576), (4, 99856288), (7, 57060736), (8, 49928144), (14, 28530368), (16, 24964072), (28, 14265184), (32, 12482036), (56, 7132592), (64, 6241018), (112, 3566296), (128, 3120509), (224, 1783148), (448, 891574), (461, 866432), (896, 445787), (922, 433216), (967, 413056), (1844, 216608), (1934, 206528), (3227, 123776), (3688, 108304), (3868, 103264), (6454, 61888), (6769, 59008), (7376, 54152), (7736, 51632), (12908, 30944), (13538, 29504), (14752, 27076), (15472, 25816)]