257566288

素因数分解:

$2^4\times 7^1\times {\mathrm{839}}^1\times {\mathrm{2741}}^1$

素因数の和:3595

約数の個数: 40

約数和(自身を含む): 571213440

約数和(自身を除く): 313647152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 839, 1678, 2741, 3356, 5482, 5873, 6712, 10964, 11746, 13424, 19187, 21928, 23492, 38374, 43856, 46984, 76748, 93968, 153496, 306992, 2299699, 4599398, 9198796, 16097893, 18397592, 32195786, 36795184, 64391572, 128783144, 257566288]

約数ペア:

[(1, 257566288), (2, 128783144), (4, 64391572), (7, 36795184), (8, 32195786), (14, 18397592), (16, 16097893), (28, 9198796), (56, 4599398), (112, 2299699), (839, 306992), (1678, 153496), (2741, 93968), (3356, 76748), (5482, 46984), (5873, 43856), (6712, 38374), (10964, 23492), (11746, 21928), (13424, 19187)]