728217728

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 1741703040

約数和(自身を除く): 1013485312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 43, 56, 64, 82, 86, 112, 128, 164, 172, 224, 287, 301, 328, 344, 448, 461, 574, 602, 656, 688, 896, 922, 1148, 1204, 1312, 1376, 1763, 1844, 2296, 2408, 2624, 2752, 3227, 3526, 3688, 4592, 4816, 5248, 5504, 6454, 7052, 7376, 9184, 9632, 12341, 12908, 14104, 14752, 18368, 18901, 19264, 19823, 24682, 25816, 28208, 29504, 36736, 37802, 38528, 39646, 49364, 51632, 56416, 59008, 75604, 79292, 98728, 103264, 112832, 132307, 138761, 151208, 158584, 197456, 206528, 225664, 264614, 277522, 302416, 317168, 394912, 413056, 529228, 555044, 604832, 634336, 789824, 812743, 1058456, 1110088, 1209664, 1268672, 1579648, 1625486, 2116912, 2220176, 2419328, 2537344, 3250972, 4233824, 4440352, 5689201, 6501944, 8467648, 8880704, 11378402, 13003888, 16935296, 17761408, 22756804, 26007776, 45513608, 52015552, 91027216, 104031104, 182054432, 364108864, 728217728]

約数ペア:

[(1, 728217728), (2, 364108864), (4, 182054432), (7, 104031104), (8, 91027216), (14, 52015552), (16, 45513608), (28, 26007776), (32, 22756804), (41, 17761408), (43, 16935296), (56, 13003888), (64, 11378402), (82, 8880704), (86, 8467648), (112, 6501944), (128, 5689201), (164, 4440352), (172, 4233824), (224, 3250972), (287, 2537344), (301, 2419328), (328, 2220176), (344, 2116912), (448, 1625486), (461, 1579648), (574, 1268672), (602, 1209664), (656, 1110088), (688, 1058456), (896, 812743), (922, 789824), (1148, 634336), (1204, 604832), (1312, 555044), (1376, 529228), (1763, 413056), (1844, 394912), (2296, 317168), (2408, 302416), (2624, 277522), (2752, 264614), (3227, 225664), (3526, 206528), (3688, 197456), (4592, 158584), (4816, 151208), (5248, 138761), (5504, 132307), (6454, 112832), (7052, 103264), (7376, 98728), (9184, 79292), (9632, 75604), (12341, 59008), (12908, 56416), (14104, 51632), (14752, 49364), (18368, 39646), (18901, 38528), (19264, 37802), (19823, 36736), (24682, 29504), (25816, 28208)]