2578086

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 6757920

約数和(自身を除く): 4179834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 79, 98, 111, 126, 147, 158, 222, 237, 259, 294, 333, 441, 474, 518, 553, 666, 711, 777, 882, 1106, 1422, 1554, 1659, 1813, 2331, 2923, 3318, 3626, 3871, 4662, 4977, 5439, 5846, 7742, 8769, 9954, 10878, 11613, 16317, 17538, 20461, 23226, 26307, 32634, 34839, 40922, 52614, 61383, 69678, 122766, 143227, 184149, 286454, 368298, 429681, 859362, 1289043, 2578086]

約数ペア:

[(1, 2578086), (2, 1289043), (3, 859362), (6, 429681), (7, 368298), (9, 286454), (14, 184149), (18, 143227), (21, 122766), (37, 69678), (42, 61383), (49, 52614), (63, 40922), (74, 34839), (79, 32634), (98, 26307), (111, 23226), (126, 20461), (147, 17538), (158, 16317), (222, 11613), (237, 10878), (259, 9954), (294, 8769), (333, 7742), (441, 5846), (474, 5439), (518, 4977), (553, 4662), (666, 3871), (711, 3626), (777, 3318), (882, 2923), (1106, 2331), (1422, 1813), (1554, 1659)]