81293212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 194181120

約数和(自身を除く): 112887908

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 79, 91, 143, 154, 158, 182, 257, 286, 308, 316, 364, 514, 553, 572, 869, 1001, 1027, 1028, 1106, 1738, 1799, 2002, 2054, 2212, 2827, 3341, 3476, 3598, 4004, 4108, 5654, 6083, 6682, 7189, 7196, 11297, 11308, 12166, 13364, 14378, 19789, 20303, 22594, 23387, 24332, 28756, 36751, 39578, 40606, 45188, 46774, 73502, 79079, 79156, 81212, 93548, 142121, 147004, 158158, 223333, 257257, 263939, 284242, 316316, 446666, 514514, 527878, 568484, 893332, 1029028, 1055756, 1563331, 1847573, 2903329, 3126662, 3695146, 5806658, 6253324, 7390292, 11613316, 20323303, 40646606, 81293212]

約数ペア:

[(1, 81293212), (2, 40646606), (4, 20323303), (7, 11613316), (11, 7390292), (13, 6253324), (14, 5806658), (22, 3695146), (26, 3126662), (28, 2903329), (44, 1847573), (52, 1563331), (77, 1055756), (79, 1029028), (91, 893332), (143, 568484), (154, 527878), (158, 514514), (182, 446666), (257, 316316), (286, 284242), (308, 263939), (316, 257257), (364, 223333), (514, 158158), (553, 147004), (572, 142121), (869, 93548), (1001, 81212), (1027, 79156), (1028, 79079), (1106, 73502), (1738, 46774), (1799, 45188), (2002, 40606), (2054, 39578), (2212, 36751), (2827, 28756), (3341, 24332), (3476, 23387), (3598, 22594), (4004, 20303), (4108, 19789), (5654, 14378), (6083, 13364), (6682, 12166), (7189, 11308), (7196, 11297)]