257832904

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{4801}}^1$

素因数の和:4958

約数の個数: 48

約数和(自身を含む): 566587980

約数和(自身を除く): 308755076

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 392, 548, 959, 1096, 1918, 3836, 4801, 6713, 7672, 9602, 13426, 19204, 26852, 33607, 38408, 53704, 67214, 134428, 235249, 268856, 470498, 657737, 940996, 1315474, 1881992, 2630948, 4604159, 5261896, 9208318, 18416636, 32229113, 36833272, 64458226, 128916452, 257832904]

約数ペア:

[(1, 257832904), (2, 128916452), (4, 64458226), (7, 36833272), (8, 32229113), (14, 18416636), (28, 9208318), (49, 5261896), (56, 4604159), (98, 2630948), (137, 1881992), (196, 1315474), (274, 940996), (392, 657737), (548, 470498), (959, 268856), (1096, 235249), (1918, 134428), (3836, 67214), (4801, 53704), (6713, 38408), (7672, 33607), (9602, 26852), (13426, 19204)]