78316784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 198424800

約数和(自身を除く): 120108016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 149, 152, 182, 208, 247, 266, 298, 304, 361, 364, 494, 532, 596, 722, 728, 988, 1043, 1064, 1192, 1444, 1456, 1729, 1937, 1976, 2086, 2128, 2384, 2527, 2831, 2888, 3458, 3874, 3952, 4172, 4693, 5054, 5662, 5776, 6916, 7748, 8344, 9386, 10108, 11324, 13559, 13832, 15496, 16688, 18772, 19817, 20216, 22648, 27118, 27664, 30992, 32851, 36803, 37544, 39634, 40432, 45296, 53789, 54236, 65702, 73606, 75088, 79268, 107578, 108472, 131404, 147212, 158536, 215156, 216944, 257621, 262808, 294424, 317072, 376523, 430312, 515242, 525616, 588848, 699257, 753046, 860624, 1030484, 1398514, 1506092, 2060968, 2797028, 3012184, 4121936, 4894799, 5594056, 6024368, 9789598, 11188112, 19579196, 39158392, 78316784]

約数ペア:

[(1, 78316784), (2, 39158392), (4, 19579196), (7, 11188112), (8, 9789598), (13, 6024368), (14, 5594056), (16, 4894799), (19, 4121936), (26, 3012184), (28, 2797028), (38, 2060968), (52, 1506092), (56, 1398514), (76, 1030484), (91, 860624), (104, 753046), (112, 699257), (133, 588848), (149, 525616), (152, 515242), (182, 430312), (208, 376523), (247, 317072), (266, 294424), (298, 262808), (304, 257621), (361, 216944), (364, 215156), (494, 158536), (532, 147212), (596, 131404), (722, 108472), (728, 107578), (988, 79268), (1043, 75088), (1064, 73606), (1192, 65702), (1444, 54236), (1456, 53789), (1729, 45296), (1937, 40432), (1976, 39634), (2086, 37544), (2128, 36803), (2384, 32851), (2527, 30992), (2831, 27664), (2888, 27118), (3458, 22648), (3874, 20216), (3952, 19817), (4172, 18772), (4693, 16688), (5054, 15496), (5662, 13832), (5776, 13559), (6916, 11324), (7748, 10108), (8344, 9386)]