78438272

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 188373600

約数和(自身を除く): 109935328

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 29, 32, 34, 44, 58, 64, 68, 88, 113, 116, 128, 136, 176, 187, 226, 232, 272, 319, 352, 374, 452, 464, 493, 544, 638, 704, 748, 904, 928, 986, 1088, 1243, 1276, 1408, 1496, 1808, 1856, 1921, 1972, 2176, 2486, 2552, 2992, 3277, 3616, 3712, 3842, 3944, 4972, 5104, 5423, 5984, 6554, 7232, 7684, 7888, 9944, 10208, 10846, 11968, 13108, 14464, 15368, 15776, 19888, 20416, 21131, 21692, 23936, 26216, 30736, 31552, 36047, 39776, 40832, 42262, 43384, 52432, 55709, 61472, 63104, 72094, 79552, 84524, 86768, 104864, 111418, 122944, 144188, 159104, 169048, 173536, 209728, 222836, 245888, 288376, 338096, 347072, 419456, 445672, 576752, 612799, 676192, 694144, 891344, 1153504, 1225598, 1352384, 1782688, 2307008, 2451196, 2704768, 3565376, 4614016, 4902392, 7130752, 9804784, 19609568, 39219136, 78438272]

約数ペア:

[(1, 78438272), (2, 39219136), (4, 19609568), (8, 9804784), (11, 7130752), (16, 4902392), (17, 4614016), (22, 3565376), (29, 2704768), (32, 2451196), (34, 2307008), (44, 1782688), (58, 1352384), (64, 1225598), (68, 1153504), (88, 891344), (113, 694144), (116, 676192), (128, 612799), (136, 576752), (176, 445672), (187, 419456), (226, 347072), (232, 338096), (272, 288376), (319, 245888), (352, 222836), (374, 209728), (452, 173536), (464, 169048), (493, 159104), (544, 144188), (638, 122944), (704, 111418), (748, 104864), (904, 86768), (928, 84524), (986, 79552), (1088, 72094), (1243, 63104), (1276, 61472), (1408, 55709), (1496, 52432), (1808, 43384), (1856, 42262), (1921, 40832), (1972, 39776), (2176, 36047), (2486, 31552), (2552, 30736), (2992, 26216), (3277, 23936), (3616, 21692), (3712, 21131), (3842, 20416), (3944, 19888), (4972, 15776), (5104, 15368), (5423, 14464), (5984, 13108), (6554, 11968), (7232, 10846), (7684, 10208), (7888, 9944)]