25727408

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:222

約数の個数: 60

約数和(自身を含む): 59601840

約数和(自身を除く): 33874432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 89, 112, 116, 178, 203, 232, 356, 406, 464, 623, 712, 812, 1246, 1424, 1624, 2492, 2581, 3248, 4984, 5162, 7921, 9968, 10324, 15842, 18067, 20648, 31684, 36134, 41296, 55447, 63368, 72268, 110894, 126736, 144536, 221788, 229709, 289072, 443576, 459418, 887152, 918836, 1607963, 1837672, 3215926, 3675344, 6431852, 12863704, 25727408]

約数ペア:

[(1, 25727408), (2, 12863704), (4, 6431852), (7, 3675344), (8, 3215926), (14, 1837672), (16, 1607963), (28, 918836), (29, 887152), (56, 459418), (58, 443576), (89, 289072), (112, 229709), (116, 221788), (178, 144536), (203, 126736), (232, 110894), (356, 72268), (406, 63368), (464, 55447), (623, 41296), (712, 36134), (812, 31684), (1246, 20648), (1424, 18067), (1624, 15842), (2492, 10324), (2581, 9968), (3248, 7921), (4984, 5162)]