1278118528

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{673}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 2625486120

約数和(自身を除く): 1347367592

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 401, 592, 673, 802, 1184, 1346, 1604, 2368, 2692, 3208, 4736, 5384, 6416, 10768, 12832, 14837, 21536, 24901, 25664, 29674, 43072, 49802, 51328, 59348, 86144, 99604, 118696, 199208, 237392, 269873, 398416, 474784, 539746, 796832, 949568, 1079492, 1593664, 1899136, 2158984, 3187328, 4317968, 8635936, 9985301, 17271872, 19970602, 34543744, 39941204, 79882408, 159764816, 319529632, 639059264, 1278118528]

約数ペア:

[(1, 1278118528), (2, 639059264), (4, 319529632), (8, 159764816), (16, 79882408), (32, 39941204), (37, 34543744), (64, 19970602), (74, 17271872), (128, 9985301), (148, 8635936), (296, 4317968), (401, 3187328), (592, 2158984), (673, 1899136), (802, 1593664), (1184, 1079492), (1346, 949568), (1604, 796832), (2368, 539746), (2692, 474784), (3208, 398416), (4736, 269873), (5384, 237392), (6416, 199208), (10768, 118696), (12832, 99604), (14837, 86144), (21536, 59348), (24901, 51328), (25664, 49802), (29674, 43072)]