861509172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2917

約数の個数: 72

約数和(自身を含む): 2152204992

約数和(自身を除く): 1290695820

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 361, 426, 722, 852, 1083, 1349, 1444, 2166, 2698, 2801, 4047, 4332, 5396, 5602, 8094, 8403, 11204, 16188, 16806, 25631, 33612, 51262, 53219, 76893, 102524, 106438, 153786, 159657, 198871, 212876, 307572, 319314, 397742, 596613, 638628, 795484, 1011161, 1193226, 2022322, 2386452, 3033483, 3778549, 4044644, 6066966, 7557098, 11335647, 12133932, 15114196, 22671294, 45342588, 71792431, 143584862, 215377293, 287169724, 430754586, 861509172]

約数ペア:

[(1, 861509172), (2, 430754586), (3, 287169724), (4, 215377293), (6, 143584862), (12, 71792431), (19, 45342588), (38, 22671294), (57, 15114196), (71, 12133932), (76, 11335647), (114, 7557098), (142, 6066966), (213, 4044644), (228, 3778549), (284, 3033483), (361, 2386452), (426, 2022322), (722, 1193226), (852, 1011161), (1083, 795484), (1349, 638628), (1444, 596613), (2166, 397742), (2698, 319314), (2801, 307572), (4047, 212876), (4332, 198871), (5396, 159657), (5602, 153786), (8094, 106438), (8403, 102524), (11204, 76893), (16188, 53219), (16806, 51262), (25631, 33612)]