661840272

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{199831}}^1$

素因数の和:199868

約数の個数: 60

約数和(自身を含む): 1932775104

約数和(自身を除く): 1270934832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 199831, 399662, 599493, 799324, 1198986, 1598648, 1798479, 2397972, 3197296, 3596958, 4596113, 4795944, 7193916, 9192226, 9591888, 13788339, 14387832, 18384452, 27576678, 28775664, 36768904, 41365017, 55153356, 73537808, 82730034, 110306712, 165460068, 220613424, 330920136, 661840272]

約数ペア:

[(1, 661840272), (2, 330920136), (3, 220613424), (4, 165460068), (6, 110306712), (8, 82730034), (9, 73537808), (12, 55153356), (16, 41365017), (18, 36768904), (23, 28775664), (24, 27576678), (36, 18384452), (46, 14387832), (48, 13788339), (69, 9591888), (72, 9192226), (92, 7193916), (138, 4795944), (144, 4596113), (184, 3596958), (207, 3197296), (276, 2397972), (368, 1798479), (414, 1598648), (552, 1198986), (828, 799324), (1104, 599493), (1656, 399662), (3312, 199831)]