661207928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{156833}}^1$

素因数の和:156887

約数の個数: 32

約数和(自身を含む): 1355045760

約数和(自身を除く): 693837832

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 156833, 313666, 627332, 1254664, 2666161, 4861823, 5332322, 9723646, 10664644, 19447292, 21329288, 38894584, 82650991, 165301982, 330603964, 661207928]

約数ペア:

[(1, 661207928), (2, 330603964), (4, 165301982), (8, 82650991), (17, 38894584), (31, 21329288), (34, 19447292), (62, 10664644), (68, 9723646), (124, 5332322), (136, 4861823), (248, 2666161), (527, 1254664), (1054, 627332), (2108, 313666), (4216, 156833)]