221279168

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 513527040

約数和(自身を除く): 292247872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 71, 76, 88, 142, 152, 176, 209, 233, 284, 304, 352, 418, 466, 568, 608, 704, 781, 836, 932, 1136, 1216, 1349, 1562, 1672, 1864, 2272, 2563, 2698, 3124, 3344, 3728, 4427, 4544, 5126, 5396, 6248, 6688, 7456, 8854, 10252, 10792, 12496, 13376, 14839, 14912, 16543, 17708, 20504, 21584, 24992, 29678, 33086, 35416, 41008, 43168, 48697, 49984, 59356, 66172, 70832, 82016, 86336, 97394, 118712, 132344, 141664, 164032, 181973, 194788, 237424, 264688, 283328, 314317, 363946, 389576, 474848, 529376, 628634, 727892, 779152, 949696, 1058752, 1257268, 1455784, 1558304, 2514536, 2911568, 3116608, 3457487, 5029072, 5823136, 6914974, 10058144, 11646272, 13829948, 20116288, 27659896, 55319792, 110639584, 221279168]

約数ペア:

[(1, 221279168), (2, 110639584), (4, 55319792), (8, 27659896), (11, 20116288), (16, 13829948), (19, 11646272), (22, 10058144), (32, 6914974), (38, 5823136), (44, 5029072), (64, 3457487), (71, 3116608), (76, 2911568), (88, 2514536), (142, 1558304), (152, 1455784), (176, 1257268), (209, 1058752), (233, 949696), (284, 779152), (304, 727892), (352, 628634), (418, 529376), (466, 474848), (568, 389576), (608, 363946), (704, 314317), (781, 283328), (836, 264688), (932, 237424), (1136, 194788), (1216, 181973), (1349, 164032), (1562, 141664), (1672, 132344), (1864, 118712), (2272, 97394), (2563, 86336), (2698, 82016), (3124, 70832), (3344, 66172), (3728, 59356), (4427, 49984), (4544, 48697), (5126, 43168), (5396, 41008), (6248, 35416), (6688, 33086), (7456, 29678), (8854, 24992), (10252, 21584), (10792, 20504), (12496, 17708), (13376, 16543), (14839, 14912)]