2981628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 8500128

約数和(自身を除く): 5518500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 277, 299, 414, 468, 554, 598, 828, 831, 897, 1108, 1196, 1662, 1794, 2493, 2691, 3324, 3588, 3601, 4986, 5382, 6371, 7202, 9972, 10764, 10803, 12742, 14404, 19113, 21606, 25484, 32409, 38226, 43212, 57339, 64818, 76452, 82823, 114678, 129636, 165646, 229356, 248469, 331292, 496938, 745407, 993876, 1490814, 2981628]

約数ペア:

[(1, 2981628), (2, 1490814), (3, 993876), (4, 745407), (6, 496938), (9, 331292), (12, 248469), (13, 229356), (18, 165646), (23, 129636), (26, 114678), (36, 82823), (39, 76452), (46, 64818), (52, 57339), (69, 43212), (78, 38226), (92, 32409), (117, 25484), (138, 21606), (156, 19113), (207, 14404), (234, 12742), (276, 10803), (277, 10764), (299, 9972), (414, 7202), (468, 6371), (554, 5382), (598, 4986), (828, 3601), (831, 3588), (897, 3324), (1108, 2691), (1196, 2493), (1662, 1794)]