128742256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2297}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 259876224

約数和(自身を除く): 131133968

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 452, 496, 904, 1808, 2297, 3503, 4594, 7006, 9188, 14012, 18376, 28024, 36752, 56048, 71207, 142414, 259561, 284828, 519122, 569656, 1038244, 1139312, 2076488, 4152976, 8046391, 16092782, 32185564, 64371128, 128742256]

約数ペア:

[(1, 128742256), (2, 64371128), (4, 32185564), (8, 16092782), (16, 8046391), (31, 4152976), (62, 2076488), (113, 1139312), (124, 1038244), (226, 569656), (248, 519122), (452, 284828), (496, 259561), (904, 142414), (1808, 71207), (2297, 56048), (3503, 36752), (4594, 28024), (7006, 18376), (9188, 14012)]