209957344

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 446545008

約数和(自身を除く): 236587664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 289, 292, 311, 544, 578, 584, 622, 1156, 1168, 1241, 1244, 2312, 2336, 2482, 2488, 4624, 4964, 4976, 5287, 9248, 9928, 9952, 10574, 19856, 21097, 21148, 22703, 39712, 42194, 42296, 45406, 84388, 84592, 89879, 90812, 168776, 169184, 179758, 181624, 337552, 359516, 363248, 385951, 675104, 719032, 726496, 771902, 1438064, 1543804, 2876128, 3087608, 6175216, 6561167, 12350432, 13122334, 26244668, 52489336, 104978672, 209957344]

約数ペア:

[(1, 209957344), (2, 104978672), (4, 52489336), (8, 26244668), (16, 13122334), (17, 12350432), (32, 6561167), (34, 6175216), (68, 3087608), (73, 2876128), (136, 1543804), (146, 1438064), (272, 771902), (289, 726496), (292, 719032), (311, 675104), (544, 385951), (578, 363248), (584, 359516), (622, 337552), (1156, 181624), (1168, 179758), (1241, 169184), (1244, 168776), (2312, 90812), (2336, 89879), (2482, 84592), (2488, 84388), (4624, 45406), (4964, 42296), (4976, 42194), (5287, 39712), (9248, 22703), (9928, 21148), (9952, 21097), (10574, 19856)]