398282368

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1481}}^1$

素因数の和:1697

約数の個数: 64

約数和(自身を含む): 870704640

約数和(自身を除く): 472422272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 191, 352, 382, 704, 764, 1408, 1481, 1528, 2101, 2962, 3056, 4202, 5924, 6112, 8404, 11848, 12224, 16291, 16808, 23696, 24448, 32582, 33616, 47392, 65164, 67232, 94784, 130328, 134464, 189568, 260656, 268928, 282871, 521312, 565742, 1042624, 1131484, 2085248, 2262968, 3111581, 4525936, 6223162, 9051872, 12446324, 18103744, 24892648, 36207488, 49785296, 99570592, 199141184, 398282368]

約数ペア:

[(1, 398282368), (2, 199141184), (4, 99570592), (8, 49785296), (11, 36207488), (16, 24892648), (22, 18103744), (32, 12446324), (44, 9051872), (64, 6223162), (88, 4525936), (128, 3111581), (176, 2262968), (191, 2085248), (352, 1131484), (382, 1042624), (704, 565742), (764, 521312), (1408, 282871), (1481, 268928), (1528, 260656), (2101, 189568), (2962, 134464), (3056, 130328), (4202, 94784), (5924, 67232), (6112, 65164), (8404, 47392), (11848, 33616), (12224, 32582), (16291, 24448), (16808, 23696)]