638637072

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{458791}}^1$

素因数の和:458831

約数の個数: 40

約数和(自身を含む): 1706706240

約数和(自身を除く): 1068069168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 458791, 917582, 1376373, 1835164, 2752746, 3670328, 5505492, 7340656, 11010984, 13304939, 22021968, 26609878, 39914817, 53219756, 79829634, 106439512, 159659268, 212879024, 319318536, 638637072]

約数ペア:

[(1, 638637072), (2, 319318536), (3, 212879024), (4, 159659268), (6, 106439512), (8, 79829634), (12, 53219756), (16, 39914817), (24, 26609878), (29, 22021968), (48, 13304939), (58, 11010984), (87, 7340656), (116, 5505492), (174, 3670328), (232, 2752746), (348, 1835164), (464, 1376373), (696, 917582), (1392, 458791)]