289761104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{907}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 576921408

約数和(自身を除く): 287160304

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 487, 656, 907, 974, 1814, 1948, 3628, 3896, 7256, 7792, 14512, 19967, 37187, 39934, 74374, 79868, 148748, 159736, 297496, 319472, 441709, 594992, 883418, 1766836, 3533672, 7067344, 18110069, 36220138, 72440276, 144880552, 289761104]

約数ペア:

[(1, 289761104), (2, 144880552), (4, 72440276), (8, 36220138), (16, 18110069), (41, 7067344), (82, 3533672), (164, 1766836), (328, 883418), (487, 594992), (656, 441709), (907, 319472), (974, 297496), (1814, 159736), (1948, 148748), (3628, 79868), (3896, 74374), (7256, 39934), (7792, 37187), (14512, 19967)]