77212072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 173260800

約数和(自身を除く): 96048728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 79, 124, 158, 217, 248, 316, 434, 553, 563, 632, 868, 1106, 1126, 1736, 2212, 2252, 2449, 3941, 4424, 4504, 4898, 7882, 9796, 15764, 17143, 17453, 19592, 31528, 34286, 34906, 44477, 68572, 69812, 88954, 122171, 137144, 139624, 177908, 244342, 311339, 355816, 488684, 622678, 977368, 1245356, 1378787, 2490712, 2757574, 5515148, 9651509, 11030296, 19303018, 38606036, 77212072]

約数ペア:

[(1, 77212072), (2, 38606036), (4, 19303018), (7, 11030296), (8, 9651509), (14, 5515148), (28, 2757574), (31, 2490712), (56, 1378787), (62, 1245356), (79, 977368), (124, 622678), (158, 488684), (217, 355816), (248, 311339), (316, 244342), (434, 177908), (553, 139624), (563, 137144), (632, 122171), (868, 88954), (1106, 69812), (1126, 68572), (1736, 44477), (2212, 34906), (2252, 34286), (2449, 31528), (3941, 19592), (4424, 17453), (4504, 17143), (4898, 15764), (7882, 9796)]