78840212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 161882280

約数和(自身を除く): 83042068

約数列:

[1, 2, 4, 11, 22, 29, 41, 44, 58, 82, 116, 121, 137, 164, 242, 274, 319, 451, 484, 548, 638, 902, 1189, 1276, 1507, 1804, 2378, 3014, 3509, 3973, 4756, 4961, 5617, 6028, 7018, 7946, 9922, 11234, 13079, 14036, 15892, 16577, 19844, 22468, 26158, 33154, 43703, 52316, 61787, 66308, 87406, 123574, 143869, 162893, 174812, 247148, 287738, 325786, 480733, 575476, 651572, 679657, 961466, 1359314, 1791823, 1922932, 2718628, 3583646, 7167292, 19710053, 39420106, 78840212]

約数ペア:

[(1, 78840212), (2, 39420106), (4, 19710053), (11, 7167292), (22, 3583646), (29, 2718628), (41, 1922932), (44, 1791823), (58, 1359314), (82, 961466), (116, 679657), (121, 651572), (137, 575476), (164, 480733), (242, 325786), (274, 287738), (319, 247148), (451, 174812), (484, 162893), (548, 143869), (638, 123574), (902, 87406), (1189, 66308), (1276, 61787), (1507, 52316), (1804, 43703), (2378, 33154), (3014, 26158), (3509, 22468), (3973, 19844), (4756, 16577), (4961, 15892), (5617, 14036), (6028, 13079), (7018, 11234), (7946, 9922)]