258831296

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 526487136

約数和(自身を除く): 267655840

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 167, 244, 334, 397, 488, 668, 794, 976, 1336, 1588, 1952, 2672, 3176, 3904, 5344, 6352, 10187, 10688, 12704, 20374, 24217, 25408, 40748, 48434, 66299, 81496, 96868, 132598, 162992, 193736, 265196, 325984, 387472, 530392, 651968, 774944, 1060784, 1549888, 2121568, 4044239, 4243136, 8088478, 16176956, 32353912, 64707824, 129415648, 258831296]

約数ペア:

[(1, 258831296), (2, 129415648), (4, 64707824), (8, 32353912), (16, 16176956), (32, 8088478), (61, 4243136), (64, 4044239), (122, 2121568), (167, 1549888), (244, 1060784), (334, 774944), (397, 651968), (488, 530392), (668, 387472), (794, 325984), (976, 265196), (1336, 193736), (1588, 162992), (1952, 132598), (2672, 96868), (3176, 81496), (3904, 66299), (5344, 48434), (6352, 40748), (10187, 25408), (10688, 24217), (12704, 20374)]