81781602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 192201984

約数和(自身を除く): 110420382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 137, 183, 233, 274, 366, 411, 427, 466, 699, 822, 854, 959, 1281, 1398, 1631, 1918, 2562, 2877, 3262, 4893, 5754, 8357, 9786, 14213, 16714, 25071, 28426, 31921, 42639, 50142, 58499, 63842, 85278, 95763, 99491, 116998, 175497, 191526, 198982, 223447, 298473, 350994, 446894, 596946, 670341, 1340682, 1947181, 3894362, 5841543, 11683086, 13630267, 27260534, 40890801, 81781602]

約数ペア:

[(1, 81781602), (2, 40890801), (3, 27260534), (6, 13630267), (7, 11683086), (14, 5841543), (21, 3894362), (42, 1947181), (61, 1340682), (122, 670341), (137, 596946), (183, 446894), (233, 350994), (274, 298473), (366, 223447), (411, 198982), (427, 191526), (466, 175497), (699, 116998), (822, 99491), (854, 95763), (959, 85278), (1281, 63842), (1398, 58499), (1631, 50142), (1918, 42639), (2562, 31921), (2877, 28426), (3262, 25071), (4893, 16714), (5754, 14213), (8357, 9786)]